Windows XP Compaq, repeatedly gives message that wuauclt.exe has experienced a problem and must close. I close it and it comes back within a few seconds. I stop the process, and it starts again after a few seconds. I delete the file from Windows\System32 folder, and it reappears after a few seconds. I have searched the PC and this is the only instance of wuauclt.exe.What can be done to repair this PC?

Hi WKB1380, 1. What is the complete error message you receive? Wuauclt.exe is Windows Update Auto Update Client. This is a background process which checks with the Microsoft website for updates to the operating system. It shows up on the Task Manager's processes list when it is waiting for a response, such as to confirm permission to download an update.You would receive this error message if there are any updates available on the computer that you failing to install.I would suggest that you check if any windows update is available for the computer and also check there are any failed updates and post back with the details.a) Click Start, click All Programs, and then click Windows Update or Microsoft Update.b) On the Windows Update Web site or on the Microsoft Update Web site, click Review your update history. A window opens that shows all the updates that have been installed or that have failed to install on the computer. c) In the Status column of this window, locate the update that failed to install, and then click the red X.If there are no failed updates or available updates on the computer then I would suggest that you place the computer in clean boot state and check if you receive the error message.To help troubleshoot error messages and other issues, you can start Windows Vista or Windows 7 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. Refer the below link to know more about clean boot procedure.How to configure Windows XP to start in a "clean boot" statehttp://support.microsoft.com/kb/310353 Reset the computer to start as usualAfter you have finished troubleshooting, follow these steps to reset the computer to start as usual:a) Click Start, type msconfig in the Start Search box, and then press ENTER.b) If you are prompted for an administrator password or for confirmation, type your password, or click Continue.c) On the General tab, click the Normal Startup option, and then click OK.d) When you are prompted to restart the computer, click Restart. Hope this helps!Halima S - Microsoft Support.Visit our Microsoft Answers Feedback Forum and let us know what you think.