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);
}