static void RemoveClsidFromRegistry(bool is64bit, string clsid) { RegistryHandle regKey = RegistryHandle.GetBitnessHKCR(is64bit); string baseKey = "Clsid\\" + clsid; regKey.DeleteKey(baseKey + "\\InprocServer32"); regKey.DeleteKey(baseKey + "\\ProgID"); regKey.DeleteKey(baseKey); }