Remove these DLLs with Regsvr32, then reboot: systemroot+\system32\comload.dll systemroot+\system\comload.dll Remove these registry items (if present) with RegEdit: HKEY CLASSES ROOT\clsid\{19e91d82-7ad7-419f-866a-58c122db1459} HKEY CLASSES ROOT\clsid\{f5f779a9-24e5-4bcd-9ae5-6313d4b5ac24} HKEY CLASSES ROOT\comload.loader HKEY CLASSES ROOT\comload.loader.1 HKEY CLASSES ROOT\comload.loader2 HKEY CLASSES ROOT\comload.loader2.1 HKEY CLASSES ROOT\dctl HKEY CLASSES ROOT\interface\{19e91d82-7ad7-419f-866a-58c122db1459} HKEY CLASSES ROOT\interface\{f5f779a9-24e5-4bcd-9ae5-6313d4b5ac24} HKEY CLASSES ROOT\typelib\{266f948a-3dee-4270-8f55-e79accd569fa} Remove these files (if present) with Windows Explorer: systemroot+\system32\comload.dll systemroot+\system\comload.dll