Unable to start the virtual machine

Discussion in 'Windows Virtual Machine' started by FergusW, Jul 7, 2025 at 11:45 AM.

  1. FergusW

    FergusW Bit poster

    Messages:
    2
    Hello!

    After migrating from a Mac to another Mac, Parallels now has an error when starting Windows.

    The error is: Unable to start the virtual machine. The virtual machine cannot be started.

    I've tried deleting the .mem and editing DiskDescriptor file as described in other threads - with no luck.

    My configuration:
    MacBook Air M4, 2025
    Parallels Desktop 19 for Mac Standard
    Windows 11

    Please help, thanks!
     
  2. FergusW

    FergusW Bit poster

    Messages:
    2
    Best Answer
    Thank you Avinash!

    The virtual machine was created from a M2 with Apple Silicon

    I installed V20 and was able to start Windows 11 normally.

    Appreciate the help!
     
  3. Avinash Bundhoo

    Avinash Bundhoo Staff Member

    Messages:
    743
    Hello FerguW,
    Thank you for reaching out.

    Was the virtual machine created from an Intel Mac?

    In order to proceed with further investigation, please follow the steps below:
    1. Download and install the V20 of Parallels Desktop, which is fully compatible with M4 chip
    https://download.parallels.com/desktop/v20/20.4.0-55980/ParallelsDesktop-20.4.0-55980.dmg

    2. Try to reproduce the issue

    If the issue persists, please collect a technical report (right-click Parallels icon in Dock > Help > Send technical data > check "Attach screenshots..." > press Send Report) and send the report's 9-digit ID in a reply.

    Thank you!
     
  4. FergusW

    FergusW Bit poster

    Messages:
    2
    Best Answer
    Thank you Avinash!

    The virtual machine was created from a M2 with Apple Silicon

    I installed V20 and was able to start Windows 11 normally.

    Appreciate the help!
     

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