Rationale
mscomctl.ocx is readily available from Microsoft still at microsoft.com/download/confirmation.aspx?id=10019, so wouldn't automatically downloading the installer from the URI and then invoking it be a good idea, instead of having to manually register the .ocx?
Example
It works:

Solution
I've submitted a PR at #2 (comment).
Rationale
mscomctl.ocxis readily available from Microsoft still atmicrosoft.com/download/confirmation.aspx?id=10019, so wouldn't automatically downloading the installer from the URI and then invoking it be a good idea, instead of having to manually register the.ocx?Example
It works:
Solution
I've submitted a PR at #2 (comment).