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"The virtual machine processor was reset by the operating system." error message

APPLIES TO:
  • Parallels Desktop for Mac Home Edition
  • Parallels Desktop for Mac Pro Edition

Symptoms

The virtual machine processor was reset by the operating system. error message is shown when opening Windows virtual machine:

alttext

Resolution

While Parallels Development Team is working on the permanent fix, please disable hybrid shutdown as a temporary workaround:

  1. Start Parallels Desktop.
  2. Launch virtual machine.
  3. Create a snapshot: from Mac menu bar choose Actions > Create snapshot.
  4. Press command button to bring Start menu and type cmd.
  5. You will see Command Prompt in suggestions, right-click on it and choose Run as Administrator. NOTE: Be sure that you run Command Prompt as Administrator or you will encounter the following error message:

    alttext

  6. In Command Prompt type powercfg -h off and hit Enter/Return.
  7. Check the behavior.

Alternative resolution

  1. Shut down virtual machine and open it's configuration.
  2. Switch to Hardware tab and choose Boot Order menu.
  3. Expand Advanced Settings menu and insert the following flag in the Boot flags textbox:

    kernel.report_hibernate=0
    

    alttext

  4. Close configuration window and check the behavior.



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