Hi,
- For how long have you had the issue?
- Did you make any changes to your computer after which the issue started?
Follow these steps and check if the issue persists.
Step 1:
Remove the external devices connected to your computer except keyboard and mouse and check if the issue persists.
Step 2:
Start your computer in safe mode and check if you get the error message.
Also refer:
How to troubleshoot hardware and software driver problems in Windows XP: http://support.microsoft.com/kb/322205
Information about hardware device drivers for Windows XP: http://support.microsoft.com/kb/319908