Some applications test for the existence of a component using CoCreateInstance. If that component is incompatible, it may ...

Some applications test for the existence of a component using CoCreateInstance. If that component is incompatible, it may crash the application. This compatibility fix fails the CoCreateInstance call, thereby allowing an application to gracefully handle the error. The command line is a semi-colon delimited list of class ids of the form {xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx}.