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

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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:

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:

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

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