To fix a hypervisor error in Windows 11, follow these steps:

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  1. Ensure Virtualization Support is Enabled in BIOS/UEFI:

    • Restart your computer and enter BIOS/UEFI settings by pressing the designated key during startup (often F2, F10, Del, or Esc).
    • Look for an option related to virtualization technology (usually labeled as Intel VT-x or AMD-V) and ensure it's enabled. Save changes and exit.

  2. Check for System Requirements:

    • Ensure your system meets the hardware requirements for running virtualization, such as a compatible CPU with virtualization support.

  3. Update Drivers:

    • Ensure all your system drivers are up to date, especially the chipset and CPU drivers. You can do this through Device Manager or by visiting your manufacturer's website.

  4. Enable Hyper-V or Virtualization in Windows Features:

    • Press Windows key + X and select "Settings."
    • Go to "Apps" > "Optional Features."
    • Check if "Hyper-V" or "Virtualization" is listed. If not, search for "Turn Windows features on or off" in the Windows search bar.
    • Check the box next to "Hyper-V" or "Virtualization" and click "OK." Follow the prompts to install the feature if necessary.

  5. Check Hyper-V Services:

    • Press Windows key + R, type services.msc, and press Enter.
    • Ensure that Hyper-V related services (like Hyper-V Virtual Machine Management) are running. If not, right-click on the service, select "Properties," set the startup type to "Automatic," and start the service.

  6. Disable Third-party Antivirus or Security Software:

    • Sometimes, third-party security software can interfere with virtualization. Temporarily disable or uninstall any third-party antivirus or security software and check if the issue persists.

  7. Check for Windows Updates:

    • Make sure your Windows 11 is up to date. Go to "Settings" > "Windows Update" and check for any pending updates. Install them if available.

  8. Reinstall Hypervisor:

    • If none of the above steps work, you may need to reinstall the hypervisor. You can do this through the "Turn Windows features on or off" menu mentioned earlier.

  9. Reset Windows:

    • If the issue persists, you may consider resetting Windows to its default settings. Go to "Settings" > "System" > "Recovery" and choose "Reset this PC." Follow the on-screen instructions to reset your PC while keeping or removing your files.

  10. Contact Support:

    • If the problem still persists, consider reaching out to Microsoft support or your system manufacturer for further assistance. They may provide specific solutions tailored to your hardware and software configuration.

By following these steps, you should be able to resolve the hypervisor error in Windows 11.