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Windows XP Repair Updates

  1. Click Start, click Run, type REGSVR32 WUAPI.DLL, and then press ENTER.
  2. When you receive the "DllRegisterServer in WUAPI.DLL succeeded" message, click OK.
  3. Type the following commands in the Open box, one after the other, and then press ENTER after each command:
    REGSVR32 WUAUENG.DLL
    REGSVR32 WUAUENG1.DLL
    REGSVR32 ATL.DLL
    REGSVR32 WUCLTUI.DLL
    REGSVR32 WUPS.DLL
    REGSVR32 WUPS2.DLL
    REGSVR32 WUWEB.DLL