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Windows XP virtual machine fails to boot. IRQL_NOT_LESS_OR_EQUAL Blue Screen of Death is displayed

APPLIES TO:
  • Parallels Desktop 10 for Mac Home Edition
  • Parallels Desktop 9 for Mac Standard Edition
  • Parallels Desktop 8 for Mac Standard Edition
  • Parallels Desktop 7 for Mac Standard Edition
  • Parallels Desktop 6 for Mac Standard Edition
  • Parallels Desktop 5 for Mac Standard Edition

Symptoms

The BSOD (Blue Screen of Death) is shown inside the virtual machine:

IRQL_NOT_LESS_OR_EQUAL

Cause

It may happen in the following cases:

  • You have more than one CPU assigned to your virtual machine.
  • You have Paragon HFS+ installed inside your Virtual Machine.

Resolution

  1. You have more than one CPU assigned to your virtual machine:

    • Shut down your virtual machine if it is currently running.
    • Click on Parallels Desktop top menu > Virtual machine > Configure or on Configure button on virtual machine panel.
    • Switch to General tab and in CPUs drop-down list set virtual machine CPU number to 1.

    • Start the virtual machine. This time it should boot normally.
    • Login and wait while Parallels Tools are being installed.
    • After Parallels Tools are installed, it is safe to return the previous CPU settings.
  2. You have Paragon HFS+ installed inside your Virtual Machine.

a) In case you have just installed this software to your Virtual Machine and it fails to boot at the next start:

  • Press F8 while Virtual Machine is starting, in the advanced menu choose 'Last Known Good Configuration'.

b) In case you are trying to created Boot Camp based Virtual Machine:

  • Start Boot Camp natively.
  • Go to Control Panel > Add or remove program.
  • Uninstall Paragon HFS+.



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