How to fix svchost exe application error? Did the problem come from a recently uploaded Windows update? If yes, you may need to update or re-register the DLL-dynamic library link files.
To re-register Update DLL files for Windows XP systems, click on Start> Run then type CMD in the dialog box and press OK or enter. This will open the DOS or command prompt. Type in REGSVR32 WUAPI.DLL and press enter. Wait for the line that saysDllRegisterServer in WUAPI.DLL succeeded.
Repeat the process for the following commands;
REGSVR32 WUAUENG.DLL
REGSVR32 WUPS.DLL
REGSVR32 WUPS2.DLL
REGSVR32 WUAUENG1.DLL
REGSVR32 WUCLTUI.DLL
REGSVR32 ATL.DLL
REGSVR32 WUWEB.DLL
After all of this commands confirm ‘DllRegisterServer in [file].DLL succeeded’, type exit and restart the computer.