I've to say that CCleaner solved a lot of problem with c**p left behind installers or even the browsers.
Since a few releases back, it start identifying as problem something that was working:
These issues are related to vbCodeShield (A tool used to add error handling to VB projects).
These objects are the Compression Plugin (as .ocx) which exist in the specified path.
If I "Fix" these problems, and the following ones (refering more ActiveX Issues) that plugin stop working, which I use to pass my exes to UPX.
I don't have the knowledge about CLSID or OL