The application or DLL C:\WINDOWS\system32\AVGRSST.DLL is not a valid Windows image. Please check this against your installation diskette. Why does this keep popping up ?

Hi uuruu1, Provide us more information on the issue:·What is the service pack installed on your computer?·What is the security software installed on your computer?·Do you remember any recent changes made on your computer?·When do you receive this error message?·Is it when working with any particular application or program?·Or do you receive this when booting to the desktop? Check the behavior by booting the computer in clean boot state.You may refer the below link on how to configure Windows XP to start in a "clean boot" state:http://support.microsoft.com/kb/310353If the issue does not persist you may continue with step 2 from the above link.Make sure you reset the computer to normal mode after the troubleshooting completes. Refer the section “Steps to configure Windows to use a Normal startup state” Regards:Samhrutha G S - Microsoft Support.Visit our Microsoft Answers Feedback Forum and let us know what you think.

I think that Dll is related to AVG - free anti virus program. Might be worth uninstalling and installing the latest version and see if that helps.MyPcHealth