Register File Associations Virtualbox Meaning?

Register File Associations Virtualbox Meaning
Pre-Requisites –

A Computer (obviously)An AMD or Intel processorAt least 512 MB of RAMVirtualBox is 102 MB, but you will need to allocate space for a VM (Virtual Machine)

To install VirtualBox, open up a browser, and go to, Now that you’re here, click on “Download VirtualBox 6.1” (or whatever the latest version is). Click on “Windows hosts” Click on “Windows hosts.” Download it to any directory you like and press save. While you’re waiting for VirtualBox to install, go ahead, and install the “Extension Pack.” Click on “All Supported Platforms.” Click on “All Supported Platforms” The Extension Pack will expand the capabilities of your Virtual Machine with features like:

Support for USB 2.0 and 3.0 — This will allow the virtual machine to communicate with USB peripherals that are plugged into your host computer’s USB ports including, but not limited to webcams, microphones, and flash drives. Host Webcam Support — You will be able to use your host webcam on your virtual machine. The benefit of this feature is the ability to use a webcam on a virtual machine without drivers, as the extension pack will automatically have them installed. For example, if I am using a webcam on my Windows host machine, I can use the same webcam on a Linux virtual machine without needing to install any extra software or drivers. Remote Control — This allows you to take control of your virtual machine from a remote computer using a remote desktop client.

Press “Next” After VirtualBox is done installing, go ahead and open it up. Press “Next.” Press “Next”

Here, it asks you where to install.I recommend leaving everything the way it is and proceeding with the rest of the setup.Press “Next.”

Press “Next” These options might be confusing for some, so allow me to break it down for you.

Create start menu entries — This will create a shortcut in the Start Menu. Create a shortcut on the desktop — This will create a shortcut in the Desktop directory. Create a shortcut in the Bar — This will create a shortcut in the bar. Register file associations — Any files that are associated with VirtualBox will only open with VirtualBox (I strongly recommend you keep this checked).

Press “Next” Press “Yes” This part of the setup will install drivers for Internet access on VirtualBox and will temporarily disconnect you from the internet for a couple of seconds. Proceed with installation. Press “Yes.” Press “Install” This will start the installation.

  • Press “Install.” It shouldn’t take long, but if in any case if it does, just be patient and let it install.
  • Press “Finish” Once your extension pack is done downloading, go ahead and click on it Click on the Extension Pack It should automatically open up VirtualBox.
  • Press “Agree” Go ahead and agree to the Terms and Conditions.

It will take a second or two to install. Press “OK” Awesome! We have successfully set up VirtualBox. Stay tuned for Part 2 (coming soon), where I demonstrate how to set up the virtual machine. Sign up for our newsletter to be notified when Part 2 comes out.
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What is register file association in VirtualBox?

VirtualBox allows you to run a number of instances of operating systems on a single machine and seamlessly switch from one OS to another. This article covers how a VirtualBox may be set up on a Windows machine and how it can be used to run other OSs like Windows 8.1 and Chromium.

Other uses of VirtualBox are also featured. VirtualBox has been around for seven years now and it is a good free and open source alternative to proprietary virtualisation platforms like VMware, Microsoft Hyper –V, etc. It provides all the functionality that one expects from a virtualisation platform, and with Oracle as its backbone one need not worry about quality and support.

In this article, we’ll tackle some challenges and work out solutions using VirtualBox. However, if you wish to first familiarise yourself with virtualisation concepts and terminology, please refer to the article titled ‘Kick-Starting Virtualisation with VirtualBox’ published in the March 2013 edition of Open Source For You.

  • Downloading and installing VirtualBox Follow these steps to download and install VirtualBox on your machine.
  • Step 1 : Navigate to and download the VirtualBox setup file for Microsoft Windows.
  • The current version, at the time of writing this article, is 4.3.10.

Step 2: Open the location where the setup file has been downloaded and execute the file named VirtualBox-4.3.10-93012-Win.exe. Step 3: Proceed with the installation in the following manner. Welcome window: Press Next. Custom Setup window: Change installation location if you wish to install VirtualBox in a different location, or else leave everything as is and press Next.

Uncheck the default settings if you do not wish VirtualBox icons to appear on the desktop or the Quick Launch bar. However, keep the Register file associations box checked (this will ensure that files associated with VirtualBox open only with VirtualBox). Then press Next. Network Interfaces Warning window: During installation, VirtualBox will reset the network connections.

So make sure that any network dependent tasks are completed before proceeding. Press Yes when ready. Ready to Install window: Press Install to begin the installation. Note: VirtualBox needs to install a few drivers in order to complete the installation.

Check Always trust software from “Oracle Corporation” and press Install when the pop-up is displayed. Installation Complete window: It should take about 5-6 minutes for the installation to complete. Keep the ‘Start Oracle VirtualBox 4.3.10 after installation’ option checked and press Finish. Use-case 1: Create a remote PC and remote storage Amidst all the chaos around governments breaching our privacy and cloud storage vendors’ data centres getting hacked, one thought that often crosses one’s mind is: “If only I had my own cloud storage.” Look no further.

With VirtualBox, a virtual machine (VM) can be created and remote access can be allowed to it. This will eliminate the risk of the host system getting exposed and will provide a sandboxed environment for accessing data remotely. This VM can also be used as a remote PC for working on the go. Register File Associations Virtualbox Meaning Figure 1 : Name and operating system window Once the image file has finished downloading, open VirtualBox and follow the instructions given below to create the VM. Step 1: In the VirtualBox console, press the New icon and fill in the information, as shown in Figure 1, in the Name and Operating system window before pressing Next.

Note: In the above window, the Windows 8.1 (64-bit) option has been selected.64-bit options will appear only if the host system has a 64-bit processor and it supports virtualisation technology. By default, most systems have the virtualisation support option disabled, so you’ll need to enable it in the BIOS.

Note: If you are using the 32-bit image of Windows 8.1, select the Windows 8.1 (32-bit) option from the Version drop-down list. Register File Associations Virtualbox Meaning Figure 2 : Allocate memory size Register File Associations Virtualbox Meaning Figure 3 : Specify file location and size Step 2: By default, VirtualBox assigns 2048 MB of RAM to a Windows 8.1 virtual machine. You can increase it to any amount as long as the pointer lies in the green area (as shown in Figure 2). Press Next, once done. Register File Associations Virtualbox Meaning Figure 4 : Mount the installation image file Steps 3 – 5 : In the next three windows, select the following options: Hard drive: Create a virtual hard drive now Hard drive file type: VDI (VirtualBox Disk Image) Storage on physical hard drive: Dynamically allocated Register File Associations Virtualbox Meaning Figure 5 : Specify shared folder details Step 6 : Specify the location and size of the virtual hard drive. Though 25 GB, available by default, will be sufficient for the purposes of this article, you can set it to any amount, depending on the free storage capacity available on the host system.

Once done, press Create, Step 7: Before switching on the VM, we’ll need to point it to the Windows 8.1 Enterprise (90-day evaluation) image file to install the operating system, To do this select Windows 8.1 and press the Settings icon in the top menu. Select Storage and then select Empty under the Controller: IDE section.

Press the disk icon in the Attributes section, and select the Choose a virtual CD/DVD disk file option. Navigate to the location of the image file, select it and press Open. Press OK to close the Settings window. Step 8: Press Start in the top menu and proceed with the Windows 8.1 installation.

  • Note: Post installation, select Use Express Settings on the Settings page.
  • Step 9 : The last step in this section is to install VirtualBox Guest Additions on the virtual machine.
  • To do this, select the Insert Guest Additions CD Image option from the Devices menu in the Virtual Machine window.
  • Open This PC on the VM, double click on VirtualBox Guest Additions CD Drive and proceed with the installation.

Reboot the VM when the installation is finished. Setting up shared folders Once the virtual machine is ready, we’ll need to set up a shared folder between the host system and the VM. This folder will be used to place the files you want to access remotely. Register File Associations Virtualbox Meaning Figure 6 : Cloud files shared folder in the VM To set up a shared folder, follow these instructions. In the VirtualBox console, select Windows 8.1. Click on the Settings icon and select Shared Folders, Press the + icon to add a folder and specify the desired folder path.

Specify the folder name, as it should appear in the VM (without spaces). Uncheck Read-only, Check Auto-mount, press OK and close the Settings window. Start the VM and open This PC. The shared folder should appear as a drive, as shown in Figure 6. Accessing the shared folder remotely Now that our backend setup is in place, let’s work to make it remotely accessible.

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We’ll do this with the help of Teamviewer, which is a must-have remote desktop sharing tool. In addition to its core functionality, it provides features like remote file sharing, virtual meetings, etc. Also, since it has a mobile client for all major platforms, it ensures that you will have access to your data irrespective of the type of device you use.

Log on to from the VM, download the setup and install it. Note: If you do not wish to install Teamviewer, there is an option to execute it in Run-only (One time use) mode. Also, in response to ‘How do you wish to use it?’, select Personal / non-commercial as we’re using it for personal use only.

Once Teamviewer is up and running, note down the ID and password shown under the Allow Remote Control section. These credentials will be used to access this VM remotely. Next, on your mobile device (we’ll use an Android device for the purpose of this article) install the Teamviewer app from the Google Play store (or the respective app store for your device). Register File Associations Virtualbox Meaning Figure 7 : Accessing the shared folder on an android device Register File Associations Virtualbox Meaning Figure 8 : Accessing the VM on an Apple iPad You can also install productivity applications (like Adobe Reader, Office 365, etc) on the Windows 8.1 VM and convert it into an on-the-fly office. Some sample screens of this VM, when accessed via an Apple iPad, are shown in Figure 8.

Use-case 2: Try Chrome OS with VirtualBox Google Chromebook is the latest offering in the world of thin client computing. While you can buy a Chromebook for around Rs 22,000, you can own a virtual one for free. To know how, keep reading. Chromebook runs on Chrome OS, which is the commercial version of Chromium OS (a Linux-based open source project initiated by Google).

So all that needs to be done is to download the VirtualBox image of Chromium OS and create a VM to run it. Downloading Chromium OS Navigate to and download the VirtualBox image of Chromium OS compiled by Hexxeh. Once the download is complete, extract the zipped file to a folder named Chromium OS,

Name and operating system Name: Chromium OS Type: Linux Version: Other Linux (32-bit) Memory size: 1024 MB Note: It can also work with 512 MB of RAM but that’s recommended only when the host machine has 2 GB, or less, of RAM. Hard drive: Select the Use an existing virtual hard drive file option and spe Use an existing virtual hard drive file cify the location of the extracted Chromium OS VDI file and press Create. Settings configuration: Before starting the Chromium OS VM, the following settings need to be in place: Enable Physical Address Extension: Navigate to Settings > System > Processor and check Enable PAE/NX Network adapter type: Navigate to Settings > Network > Adapter 1 > Advanced and change the adapter type to Intel PRO/1000 MT Desktop (82540EM) Executing the VM In the VirtualBox console, select Chromium OS and press Start from the top menu. On starting, the VM window will show the notifications regarding Auto capture keyboard and Mouse Pointer Integration stating that the VM supports these features and they have been turned on by default.

For some reason, the mouse integration doesn’t work well with Chromium OS VM, so we’ll need to disable it for the mouse pointer to work in the VM environment. Do so by selecting Disable Mouse Pointer Integration from the Machine menu in the VM window. The next time you click inside the VM window, the pop-up shown in Figure 9 will appear. Register File Associations Virtualbox Meaning Figure 9 : VirtualBox mouse capture notification Check Do not show this message again and press Capture, Chromium OS On the first run, Chromium OS will require you to specify certain settings for it to work. Once the configuration is complete, you’ll be shown the welcome screen. Congratulations! You’re now the proud owner of a virtual Chromebook. To explore more, visit the official Chromebook Help website at Apart from running other OSs, there are several uses to which a VirtualBox can be put. Use-case 3: Run legacy applications and operating systems In the course of a day’s work, one may come across applications which will only run on a particular configuration. For example, even today, there are many Web-based applications that can only run on Internet Explorer 6. These configurations might be obsolete (just like IE 6) and can be hard to find in a production environment. Apart from these, there could be times when a vendor stops supporting a version of an operating system, and since organisations cannot make a switch easily, they will be stuck. One recent example is Microsoft withdrawing support for Windows XP. In situations like these, VirtualBox can be of great help. Create a VM of that particular configuration or operating system and move on with life. These VMs can be used till the applications are ported to a newer configuration or OS, and then can be discarded. Use-case 4: Test suspicious files Let’s assume that you’ve got an email from a friend that has an attachment, but you’re feeling a bit sceptical about it. Why take a risk by opening it on your system? Use VirtualBox. Create a master VM, clone it and open the attachment on the clone. Once you’re sure about the integrity of the file, discard the clone. This setup can also come in handy if you like to study or experiment with computer viruses. You can unleash the virus on one of the clones and then study its effect on it —all the fun without compromising the security of the host system. Use-case 5: Set up a multi-platform development environment VirtualBox can be a real boon for application and Web developers. Using VirtualBox, they can set up a development environment comprising various platforms (servers, Windows, Linux, Solaris, etc) and with the help of the shared folders feature, a central repository of code can be set up. This code can then be tested on different platforms. This saves you the trouble of setting up a physical lab and then replicating code on each of the systems. Use-case 6: Create a virtual lab to learn enterprise software This is by far one of my favourite use cases of VirtualBox. Being a curious Tom, I love to get my hands dirty by learning the enterprise software used at work—mail server software, directory software, whatever. VirtualBox is a wonderful resource in such cases. You can use it to create a mini-virtual lab consisting of server(s) and a few client machines. You can then deploy the software you wish to learn in this virtual lab and experiment with it. Best practices and recommendations A few tips and tricks can go a long way to help you get the best out of VirtualBox. Based on my experience with it, I am listing a few below. Use a 64-bit processor: Usually, a machine with a 32-bit processor limits the usable RAM to 3 GB. This, in turn, limits the amount of RAM you can assign to a VM and also the number of VMs you can create. On the other hand, a 64-bit processor gives you the flexibility to use up to 16 GB of RAM on the host system, thereby increasing the amount of RAM that can be allocated to VMs. Enable virtualisation in the BIOS: As stated earlier, most of the systems have this feature disabled, by default. If you wish to create 64-bit VMs, you’ll need to enable this option in the BIOS. Use NAT: Unless you’re planning to create an internal network, use NAT as a network mode. This would save you the trouble of configuring the VM to access the Internet, because with NAT VMs hide behind the IP address of the host machine and can access the Internet as long as host system has access to it. Use auto-mount for shared folders: Keeping the auto-mount setting checked while creating the shared folder will ensure that the folder is visible as soon as the VM boots up. Use a separate partition or hard drive: By default, VirtualBox stores the VM files in the C drive. This can fill the drive pretty fast, if you’re working with multiple VMs. In order to keep the C drive clean, it is recommended that you use either a separate partition or a hard drive to store the VMs. Install guest additions: VirtualBox guest additions install certain drivers on the VM, which enable it to function like a normal machine. For example, without guest additions installed, a VM will not occupy the full screen even in the Full Screen mode. RAM allocation: Never allocate more than 75 per cent of available RAM to a single VM or else the host system’s performance will be affected. You must keep RAM allocation within the green region in the Memory Size window. Common errors and resolutions Error: VT-x/AMD-V hardware acceleration has been enabled, but is not operational This error comes up when you’re trying to boot a 64-bit VM but VirtualBox isn’t able to find hardware virtualisation capabilities on the host machine. This can be fixed by turning on the VT – x or Virtualization option in the BIOS. Error: 0x0000225 This error is related to I/O APIC (Advanced Programmable Interrupt Controllers) settings. APIC provides a mechanism by which the devices attached to the VM communicate with the processor. If you’re using a 64-bit VM, I/O APIC settings need to be enabled. You can enable this by going to Settings > System and checking ‘Enable I/O APIC’ in the Extended Features section. Error: Error loading operating system This is the most common type of error that users face when migrating Windows VMs from VMware to VirtualBox. This can be fixed easily by changing the controller of the virtual hard drive from SCSI to IDE and then repairing the boot manager using the installation disk. The link contains a detailed tutorial on fixing this error. Besides the above mentioned use cases, virtualisation technology also makes it possible to optimally use hardware. Organisations are today implementing a virtualised infrastructure for their employees to work in. This not only reduces the amount of e-waste but also serves as a secure computing environment. Even home users can efficiently utilise their old hardware with the help of virtualisation tools like VirtualBox. If you have any other use case for VirtualBox, or if you use VirtualBox to tackle any other day-to-day challenges, do share them.
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Why it is necessary to install the VirtualBox extension packs?

What is VirtualBox Extension Pack? – The VirtualBox Extension Pack is a package that broadens the basic functionalities of VirtualBox. Refer to the table for the description of the features this package contains:

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Feature Description
USB 2.0 and USB 3.0 device support Allows physical USB devices usage in your virtual environment.
Host webcam pass-through Use the host webcam on a guest operating system, even if drivers are not available.
VirtualBox Remote Desktop Protocol (VRDP) Connect to a remote VM through the VirtualBox interface.
Disk image encryption Encrypt, protect, and move stored sensitive data safely.
Intel PXE Boot ROM Boot up a VM using an emulated PXE boot ROM for installing an operating system.

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Should I register file associations?

When You Should Implement or Modify File Associations – Applications can use files for various purposes: some files are used exclusively by the application, and are not typically accessed by users, while other files are created by the user and are often opened, searched for, and viewed from the Shell.

  • Unless your custom file type is used exclusively by the application, you should implement file associations for it.
  • As a general rule, implement file associations for your custom file type if you expect the user to interact directly with these files in any way.
  • That includes using the Shell to browse and open the files, searching the content or properties of the files, and previewing the files.

If your application is handling an existing file type, do not modify the file association unless you want to modify the way the Shell handles all files of this type.
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What does register file associations do?

Open topic with navigation InstallShield 2015 Project: This information applies to the following project types:

Basic MSI




• InstallScript MSI


• Merge Module


• MSI Database


• MSM Database


• Transform

File associations are registry settings that tell Windows what application to use to open files of a certain type. For example, Windows typically launches Notepad.exe when a text (.txt) file is opened. To view and modify registered file types on your system, open Windows Explorer, and on the Tools menu, click Folder Options.

  1. Use the File Types tab of the Folder Options dialog box to see how the file associations are configured.
  2. Similarly, you can identify the application that is associated with a given file by right-clicking the file in Windows Explorer and then clicking Properties.
  3. File associations are stored in both HKLM\SOFTWARE\Classes and HKCU\SOFTWARE\Classes; you can see a merged view of the data under HKEY_CLASSES_ROOT.

Creating File Associations for Your Installation Project Best-practice guidelines recommend that you create a file association for every nonhidden type of file created or used by your product. You can quickly and easily create file associations for your installation project with the File Extensions view, which is available as an advanced setting within the Components view and the Setup Design view (for installation projects only).

  1. When an end user installs a feature that contains a file association, the file association is registered on the target machine; an entry is made in the appropriate part of the registry, and the entry links your file type to your application through the ProgID.
  2. The ProgID, which is sometimes called a file type’s application identifier or tag name, uniquely identifies your application and helps the operating system recognize your file association.

See Also Registering a File Extension
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Can I use VirtualBox without virtualization?

3.3. Hardware vs. Software Virtualization Oracle VM VirtualBox enables software in the virtual machine to run directly on the processor of the host, but an array of complex techniques is employed to intercept operations that would interfere with your host.

  1. Whenever the guest attempts to do something that could be harmful to your computer and its data, Oracle VM VirtualBox steps in and takes action.
  2. In particular, for lots of hardware that the guest believes to be accessing, Oracle VM VirtualBox simulates a certain “virtual” environment according to how you have configured a virtual machine.

For example, when the guest attempts to access a hard disk, Oracle VM VirtualBox redirects these requests to whatever you have configured to be the virtual machine’s virtual hard disk. This is normally an image file on your host. Unfortunately, the x86 platform was never designed to be virtualized.

Intel and AMD processors have support for so-called hardware virtualization, This means that these processors can help Oracle VM VirtualBox to intercept potentially dangerous operations that a guest operating system may be attempting and also makes it easier to present virtual hardware to a virtual machine. These hardware features differ between Intel and AMD processors. Intel named its technology VT-x, AMD calls theirs AMD-V. The Intel and AMD support for virtualization is very different in detail, but not very different in principle. On many systems, the hardware virtualization features first need to be enabled in the BIOS before Oracle VM VirtualBox can use them. As opposed to other virtualization software, for many usage scenarios, Oracle VM VirtualBox does not require hardware virtualization features to be present. Through sophisticated techniques, Oracle VM VirtualBox virtualizes many guest operating systems entirely in software, This means that you can run virtual machines even on older processors which do not support hardware virtualization.

Even though Oracle VM VirtualBox does not always require hardware virtualization, enabling it is required in the following scenarios:

Certain rare guest operating systems like OS/2 make use of very esoteric processor instructions that are not supported with our software virtualization. For virtual machines that are configured to contain such an operating system, hardware virtualization is enabled automatically. Oracle VM VirtualBox’s 64-bit guest and multiprocessing (SMP) support both require hardware virtualization to be enabled. This is not much of a limitation since the vast majority of 64-bit and multicore CPUs ship with hardware virtualization. The exceptions to this rule are some legacy Intel and AMD CPUs.

Warning Do not run other hypervisors, either open source or commercial virtualization products, together with Oracle VM VirtualBox. While several hypervisors can normally be installed in parallel, do not attempt to run several virtual machines from competing hypervisors at the same time.

Oracle VM VirtualBox cannot track what another hypervisor is currently attempting to do on the same host, and especially if several products attempt to use hardware virtualization features such as VT-x, this can crash the entire host. Also, within Oracle VM VirtualBox, you can mix software and hardware virtualization when running multiple VMs.

In certain cases a small performance penalty will be unavoidable when mixing VT-x and software virtualization VMs. We recommend not mixing virtualization modes if maximum performance and low overhead are essential. This does not apply to AMD-V. : 3.3. Hardware vs.
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Do I need the VirtualBox Extension Pack?

Do you need the virtual box extension pack? Skip to first unread message unread, Jan 30, 2018, 6:34:55 PM 1/30/18  Sign in to reply to author You do not have permission to delete messages in this group Sign in to report message as abuse Either email addresses are anonymous for this group or you need the view member email addresses permission to view the original message Hi, Is it absolutely necessary to have the virtual box extension pack? While VirtualBox is a free, Open-Source product, the VirtualBox Extension Pack is free ONLY for personal or educational use. unread, Jan 31, 2018, 8:14:34 AM 1/31/18  Sign in to reply to author You do not have permission to delete messages in this group Sign in to report message as abuse Either email addresses are anonymous for this group or you need the view member email addresses permission to view the original message to [email protected] Hi Krista, No, the VirtualBox Extension Pack is not required to run any VM (including BitCurator), as long as you don’t need access to USB 2.0 or 3.0 drives, and are you are not running on a host machine using an NVMe SSD drive. You can easily disable the Extension Pack-requiring USB features in the BitCurator VM by selecting that VM and navigating to Settings->Ports->USB and clicking on “USB 1.1” for the passthrough instead of USB 3.0 in the VirtualBox Manager. Recent BitCurator releases (1.8.12 and 1.8.16) should boot just fine once you’ve done this. I just tested it! : Do you need the virtual box extension pack?
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Can 4gb RAM run VirtualBox?

Asked 4 years, 2 months ago Viewed 5k times I have an assignment that I have to download either Docker or Virtual Box and acquire screenshots. My professor recommended to use Docker if you have a 4GB computer. I installed it and an error message pop up stating I do not have either Windows Education or Windows Pro, he did NOT inform us this in class.

  • I refuse to spend an $100+ I went to watch my professor tutorial video on Virtual Box.
  • He states in the video, twice, if your computer does not have 8GB, you are potentially risking your computer not to boot up! Again, I have a 4GB laptop, the recommended space I have for Virtual Box is 1965 MB.
  • Is it safe for me to continue to install? I am really nervous and trust me, I will be highly pissed if my computer will crash.

I am stuck between on earning a 0 and have a functionally computer or risk on doing the assignment and my computer is basically dead. I e-mailed him, and he replies I have no choice, what!? He said it himself, “Your system might not boot up or takes 10minutes to boot up, the minimum you should have 8gig. Register File Associations Virtualbox Meaning 3 Docker for Windows uses HyperV on Windows 10. But on your edition of Windows, if it’s a Home or Student version, HyperV won’t be enabled. So you are left with Virtual box option alone. When your set up your VM using Oracle VirtualBox, you could specify the amount of RAM and number of Cpu cores to be used for the VM.

You could easily limit this to 2GB and create your VM. And your laptop would just boot up fine. You could also remove Oracle VM from Windows start up. Before shutting down your laptop, you could save the state of your virtual machine, and then turn off the VM. Go ahead and install the Oracle VirtualBox.

answered Sep 30, 2018 at 15:37 Just wanted to add my voice to the existing answers : There is no way that VirtualBox can prevent your computer from booting. It is your choice, after booting, whether to start VirtualBox or not. Without starting VirtualBox, it won’t do anything, and certainly cannot block the boot.

If you allocated a virtual machine too much RAM, it will either not start or may slow down your system to a crawl by causing too many disk swaps. On the worse case, this might force you to reboot so as to get rid of it. I suggest being critical on the teaching materials coming from this course. The ones you are transmitting here don’t impress me at all.

answered Sep 30, 2018 at 15:51 harrymc harrymc 424k 29 gold badges 487 silver badges 863 bronze badges 2 You certainly can install VirtualBox on a computer with 4 GB of physical RAM. Just assign your virtual machine a small amount of virtual RAM (eg.768 MB). As soon as you close the VirtualBox application, your operating system will free the RAM it used. answered Sep 30, 2018 at 15:36 Register File Associations Virtualbox Meaning Kristian Kristian 290 1 gold badge 3 silver badges 15 bronze badges
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Can I run VirtualBox on 8GB RAM?

_I_ 29 Sep, 2020 @ 2:37am for the vm host, not if you are going to emulate win10/7/8/vista for the vm itself, yes it can be, but it also depends on what you need to run in the vm the answer is at the tip of the tongue: the more the better. Originally posted by _I_ : for the vm host, not if you are going to emulate win10/7/8/vista for the vm itself, yes it can be, but it also depends on what you need to run in the vm We ll use the virtual machine (virtual box) for Windows (i think the 7) and Linux (Ubuntu to be specific) Originally posted by Maxwell : the answer is at the tip of the tongue: the more the better. Forgot to ask,is a 64gb USB enough for the virtual machine _I_ 29 Sep, 2020 @ 3:31am do not use usb for things like that it will make anything you are trying to vm too slow to even use Probably enough unless you are using specialised software. I assume standard stuff like MS office. If it is not enough you can easily increase it. Originally posted by _I_ : do not use usb for things like that it will make anything you are trying to vm too slow to even use Oh so for that they wanted US to buy a hard Drive Preferably a system with 32GB+ of RAM, and an SSD with decent amount of data capacity. In fact, even my 16GB RAM system would lag with emulators a lot. I’ve run a vm on a PC with 8GB ram, so yes, it’s possible. Ran ultra-lightwieght Linux in the vm though (Lubuntu). More ram is definitely better. Just use a Linux “LiveCD” bootable ISO and create a bootable usb flash drive. Then you can play around in Linux without installing it.
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What is VirtualBox used for?

Oracle VM VirtualBox is cross-platform virtualization software. It allows users to extend their existing computer to run multiple operating systems including Microsoft Windows, Mac OS X, Linux, and Oracle Solaris, at the same time.
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How much RAM does a VM need?

RAM Sizing for Specific Workloads and Operating Systems – Because the amount of RAM required can vary widely, depending on the type of worker, many companies conduct a pilot phase to determine the correct setting for various pools of workers in their enterprise.
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Can I run virtual machine without virtualization?

It is possible to run a virtual machine without hardware virtualization support by using QEMU x86 emulation. However, that will emulate all hardware, and will be nowhere near native performance. GPU emulation will also be very slow.
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Can I give all my RAM to virtual machine?

Recommended memory values – The amount of memory you can assign to a virtual machine depends on the total amount of RAM your Mac computer has (to check Mac memory click on Apple logo > About this Mac ). It is recommended to assign not more than half of your Mac’s memory (RAM) to a virtual machine. And if you want to run multiple virtual machines simultaneously, it applies to all of their memory combined. NOTE : Please pay attention when exceeding the recommended RAM value – your overall Mac performance may be significantly decreased.
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What is an advantage of a file register?

Large register files have many advantages. If used effectively they can: 1) reduce memory traffic by removing load and store operations ; 2) improve performance by decreasing path length; and 3) decrease power consumption by eliminating operations to the memory hierarchy.
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What is default file association?

(1) The relationship of one file to another based on the data it contains. (2) An established relationship between a file and the application used to open it. There are default file associations pre-configured in every operating system for all the common file types. Associate a File in Windows XP For Vista and subsequent versions of Windows, use the Default Programs control panel to change associations (see Win File association ). In Windows XP, open Explorer and select Tools/Folder Options/File Types and scroll to the file extension. Click Change and select an application. Associate a File in the Mac To change a file association in the Mac, click on any file of that type and select Get Info.
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How do I remove an association from a file?

In this article – You can use the following procedure to delete a file type association. The File Type Associations node is one level below the Application Virtualization node in the Scope pane. When you select this node, the Results pane displays a list of file type associations. To remove a file type association

  1. In the Results pane, right-click the extension of the file type association you want to delete.
  2. Select Delete from the pop-up menu.
  3. Click Yes to delete the association, or click No to return to the Results pane.

How to Add a File Type Association How to Add an Application How to Publish Application Shortcuts
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Why a register is necessary?

Why is registration important? Registration of health and social care professionals is important as it enhances professional regulation. This is an integral part of the Department of Health’s strategy 2012 – 2015. Registration provides greater protection for the public.
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What is the purpose of storage register?

A register is basically a storage space for units of memory that are used to transfer data for immediate use by the CPU (Central Processing Unit) for data processing. Also known as memory registers, they can actually form part of the computer processor as a processor register.
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Why do we use register instead of memory?

Improve Article Save Article Improve Article Save Article 1. Register : Registers are the smallest data holding elements that are built into the processor itself. These are the memory locations that are directly accessible by the processor. It may hold an instruction, a storage address or any kind of data such as a bit sequence or individual characters. Register File Associations Virtualbox Meaning 2. Memory : Memory is a hardware device used to store computer programs, instructions and data. The memory that is internal to the processor is a primary memory (RAM), and the memory that is external to the processor is a secondary memory (Hard Drive),

Memory can also be categorized on the basis of volatile and non-volatile memory. Volatile memory is memory that loses its contents when the computer or hardware device loses power. RAM (Random Access Memory) is an example of volatile memory. Non-volatile memory is the memory that keeps its contents even if power gets lost.

EPROM is an example of non-volatile memory. Example : RAM, EPROM etc. Register File Associations Virtualbox Meaning Difference between Register and Memory :

S.NO. Register Memory
1. Registers hold the operands or instruction that CPU is currently processing. Memory holds the instructions and the data that the currently executing program in CPU requires.
2. Register holds the small amount of data around 32-bits to 64-bits. Memory of the computer can range from some GB to TB.
3. CPU can operate on register contents at the rate of more than one operation in one clock cycle. CPU accesses memory at the slower rate than register.
4. Types are Accumulator register, Program counter, Instruction register, Address register, etc. Type of memory are RAM,etc.
5. Registers can be control i.e. you can store and retrieve information from them. Memory is almost not controllable.
6. Registers are faster than memory. RAM is much slower than registers.

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What is default file association?

(1) The relationship of one file to another based on the data it contains. (2) An established relationship between a file and the application used to open it. There are default file associations pre-configured in every operating system for all the common file types. Associate a File in Windows XP For Vista and subsequent versions of Windows, use the Default Programs control panel to change associations (see Win File association ). In Windows XP, open Explorer and select Tools/Folder Options/File Types and scroll to the file extension. Click Change and select an application. Associate a File in the Mac To change a file association in the Mac, click on any file of that type and select Get Info.
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What is registry and file virtualization?

In this article – Registry virtualization is an application compatibility technology that enables registry write operations that have global impact to be redirected to per-user locations. This redirection is transparent to applications reading from or writing to the registry.

It is supported starting with Windows Vista. This form of virtualization is an interim application compatibility technology; Microsoft intends to remove it from future versions of the Windows operating system as more applications are made compatible with Windows Vista and later versions of Windows. Therefore, it is important that your application does not become dependent on the behavior of registry virtualization in the system.

Virtualization is intended only to provide compatibility for existing applications. Applications designed for Windows Vista and later versions of Windows should not write to sensitive system areas, nor should they rely on virtualization to remedy any problems.
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