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How to fix Windows 11 won’t start after Hyper-V is enabled issue.

Hyper-V is Microsoft’s integrated solution for running virtual machines. While not as feature-rich as other hypervisors, it still gets the job done. What’s more, you get better performance and you don’t need to install any third-party app for that. However, several users report that enabling Hyper-V causes problems.

One such common problem is that after enabling Hyper-V on Windows 11, the lock screen cannot start. Don’t worry if you face similar problems. We will discuss all possible reasons why Hyper-V is causing problems in your system. Also, you will learn the methods to fix the problem.

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Reason for the problem that Windows 11 cannot start after enabling Hyper-V

Windows 11 may not boot after enabling Hyper-V for many reasons. Some common ones are as follows:

  1. A third-party application may prevent Windows 11 from starting when Hyper-V is active.
  2. The Hyper-V system files are missing or corrupted.
  3. You haven’t updated Windows 11 for a while.

How to fix Windows 11 won’t boot after enabling Hyper-V issue

Since you can no longer boot to the desktop, you need to use the Windows 11 repair tool. You need to create Windows 11 bootable installation media on a flash drive. Also, you must use a different system for this operation. Check out our guide on multiple ways to create a bootable USB drive for Windows 11 for more information.


1. Uninstall conflicting applications

IBM Trusteer Rapport is an application known to cause problems with virtualization enabled. Many prefer Trusteer Rapport to protect their system from financial malware and phishing attacks. However, you need to uninstall it and let Windows 11 boot normally with Hyper-V enabled.

To remove the conflicting applications, do the following:

  1. Insert the Windows 11 bootable media into your computer. Turn on your system and press the appropriate key to bring up that BIOS setup Screen. It’s usually the F12 key, but it may be different for your system.
  2. Now press the tab key to move Advanced settings. Find the virtualization set and disable. Press F10 to save the changes and reboot your system.

  3. After the system boots successfully to the desktop, press the Win key and search Switchboard.
  4. Click on the first search result and launch the Control Panel. Find the Uninstall a program function is below programs and functions.
  5. Then look for them IBM Trusteer Report app in the list of installed programs.
  6. Right click on it and then click the change uninstallation Possibility. User Account Control appears and confirms your decision.

  7. Click on OK and then proceed with the uninstallation. Follow the on-screen instructions to completely remove the program from your system.
  8. Start anew of your system and press the F12 or the key provided to enter that BIOS setup. Re-enable the virtualization settings and save the changes by pressing F10 Key.
  9. Now reboot your system and it should boot to Windows 11 lock screen without any issues.


2. Optimize the startup settings

Another option is to use the installation media to change the startup settings. From the command prompt, you need to turn off an important flag in BCD. This flag is notorious for causing a boot repair loop. After that, the system should boot without any problems.

To tweak the startup settings, do the following:

  1. Reboot your system and press the indicated F button to bring up the boot menu. Boot to the installation media and then click the Fix your computer Possibility.
  2. Then select the Troubleshooting options on the next page. Click on that Startup Settings option below Advanced settings.

  3. After your system restarts, press F5 enter Safe Mode with Networking. Then press victory + R to launch and enter the Run command box cmd.

  4. Press Enter and type the following command in the Command Prompt window: BCDedit /set hypervisorlaunchtype Off
  5. Press the Enter Key. Close the CMD window after the command runs successfully.
  6. Then, start anew the system to check if the boot repair loop issue persists.


3. Restore an older system restore point

When deactivating the hypervisor startup type Flag in BCD did not fix the problem, try a system restore. This feature allows you to restore Windows to a point where it worked without any problems. Remember that your system must have one or more restore points in order to perform a system restore.

If you want to learn more about System Restore, read our guide on how to create a restore point in Windows 11.

To perform a system restore, repeat the following steps:

  1. Turn on your system and press the appropriate F key to open that start menu. Select the Windows 11 installation media and press Enter.
  2. Click on that Next Button in Windows 11 setup window. Then click the repair your computer Possibility.
  3. Choose Troubleshooting option and click the system recovery Icon on the Advanced Settings page.

  4. The System Restore window will launch. You will see a warning message if your system has no existing restore points.
  5. If your system has an existing restore point, you will see the Next button below. Click on it and select the most recent restore point from the list.

  6. Then click the Scan for affected programs Button. It checks and displays all programs that you lose when you perform a system restore. Click on that Close button after reviewing the list.
  7. Click on that Next Button. System Restore confirms your decision to revert to a restore point with its details. Click on that Finished button to start system restore.
  8. Next, you will see a warning message that System Restore cannot be interrupted. Click on that Yes button to continue.
  9. You will see the computer restart automatically and then roll back to a previous restore point.
  10. After a start anewstarts your system with Windows 11.


4. Perform a clean install of Windows 11

The last resort is to reinstall Windows 11. We understand that you may have important documents stored in C drive. So you can opt for the upgrade installation type. It preserves your files and documents and replaces Windows files.

To reinstall Windows 11, do the following:

  1. Turn on your system and press the appropriate F key to open the boot menu. Select the Windows 11 installation media and press Enter Key.
  2. Click on that Next Button in Windows 11 setup window. Then click the Install now Button.

  3. Enter the product key if you have one. Otherwise click I don’t have a product key Possibility. Then select your preferred OS version (Home, Pro, Enterprise, etc.) and click the Next Button.

  4. Accept EULA and click Next. Select the Update Option to keep all your files. Then format the C drive and select it for installing Windows 11.
  5. Wait for the installation to complete. Your system will reboot multiple times. After that, follow the on-screen instructions and configure the Windows settings. Then you can access your system and old files.


Boot Windows 11 successfully

The most likely cause of a boot loop is a third-party application. Uninstalling fixes the startup problem in many cases. If that doesn’t help, tweaking the startup settings is usually enough. Otherwise, a system restore or a clean install of Windows 11 are your two remaining viable options.

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