windows xp pro sp3 freeze up on restart or shutdown

Hi bluesnake12,· Do you get any error message when the computer freezes?· Do you remember making any changes to the computer after which the issue started?Check event viewer for any related event logs that might help us in troubleshooting the issue:How to view and manage event logs in Event Viewer in Windows XPTry the following steps and check if it helps;Step 1:Check the status of the issue in safe mode. Let us know if the issue persists in safe mode.A description of the Safe Mode Boot options in Windows XPStep 2:If the issue does not occur in safe mode then, place the computer in a clean boot state and troubleshoot the issue. You can start Windows XP by using a minimal set of drivers and startup programs. This kind of startup is known as a "clean boot." A clean boot helps eliminate software conflicts.How to configure Windows XP to start in a "clean boot" stateAlso, see the section on how return your computer to a Normal startup mode by following the steps under “Steps to configure Windows to use a Normal startup state”, after performing the clean boot troubleshooting.Hope this helps.Thanks and Regards,Santosh Y – Microsoft SupportVisit our Microsoft Answers Feedback Forum and let us know what you think.