I'd try the following three things, in order:
1.) Scan for malware.
2.) Go Start->Run and type in sfc /scannow (with the space). Have your Windows CD ready.
3.) Perform a Repair Installation of Windows, in which Windows is repaired without affecting any of your files or programs.
Hope this helps,
Hi I am working on a Windows XP professional edition.
The file system search is not working. When i select search A pop up is coming titled Data Execution Prevent-- Saying it has closed this program (Windows Explorer) to protect the computer.
Know a way to fix this. Please help