My desk top freezes up and I have to reboot to get the windows page back.

Hi barbruru2010,1. When did the issue start?2. Do you remember making any changes to the computer prior to this issue?3. Are you getting any error messages or error codes? Method 1:A hardware device might be keeping your computer awake. USB flash drives and USB mice are common devices that can keep your computer awake. Make sure that you have the most current drivers for all of your devices.Refer the link:How to manage devices in Windows XPhttp://support.microsoft.com/kb/283658 Method 2:Also try to change the power settings for Standby:Refer the link:http://www.microsoft.com/windowsxp/using/setup/learnmore/russel_02march25.mspxAlso refer the KB article for more information:How to troubleshoot hibernation and standby issues in Windows XPhttp://support.microsoft.com/kb/907477 Method 3:You may try performing a clean boot. A clean boot helps to verify if any third party application services or startup item is causing this issue. You may refer the following KB article to put the computer in clean boot:http://support.microsoft.com/kb/310353If your issue is resolved after performing Clean Boot, then follow the steps mentioned in the above KB article to narrow down the exact source.After you used the clean boot to resolve your problem, you can follow the steps to configure Windows XP to start normally.Hope this information is helpful. Praseetha KMicrosoft Answers Support EngineerVisit our Microsoft Answers Feedback Forum and let us know what you think.If this post helps to resolve your issue, please click the "Mark as Answer" or "Helpful" button at the top of this message. By marking a post as Answered, or Helpful you help others find the answer faster.