Here is my problem with the response you were given......
My car runs, but it makes a tick sound. Every now and then it makes a thump sound. But wait, it still runs. It gets its normal 24MPG 0 so whats the problem?
According to your contact, no problem, keep driving. Real world - it died 5 hours into a 16hour trip when it threw the serpinetine belt because of a bad tension pulley (bearings went out)
Ok, so CCLEANER find OBSCURE crap.....
RTM has it....
RC does not....WHY?
These obscure entries are stored WHERE?
So, this storage location keeps growing....Forget it? This seems like it is pulling it straight from the REGISTRY (Yes, I am guessing) and that means after some point, it will have a direct effect on the performance of the unit.
But why is it happening? RTM - YES, RC - NO.....Why?
And why is it that 2 programs, CCLEANER and HJT are both prevented from doing what they do? And the entries reappear?
PARANOID, yes I am. Believer in, all is good regardless of appearance, so keep on going? NO I am not, 8 hours on the side of the road with nothing more than a crescent / flathead / channel locks / tire iron cured me of that.
These COM errors are not just a few, they are a ton. They are across the board, not focalized to one or two programs. Benigh? Then why are they not in the RC?
But hey, not my OS.

Just remember, That registry (If I am right) will keep growing. This will increase startup, if not other performance issue when accessing the registry.