The Computer system would get a super fast blue screen error: IRQL_NOT_LESS_OR_EQUAL
during a Hibernation or Shutdown and then the system would proceed to restart without
Hibernating or Shuting down. SOLUTION: Windows XP / Control Panel / Power Options
/ APM tab (Advanced Power Management) / Uncheck: ( ) Enable Advanced Power Management
support. This solution worked on 2 of 2 systems with the IRQL_NOT_LESS_OR_EQUAL error.