For over a year I'm using the excellent Registry Cleaner "MV RegClean" from Marcos Velasco Security.
It's a
freeware, easy-to-use, reliable and a unbending trust application. I have not yet troubles with this useful program in these years.
You can download this application:
MV RegClean or
hereP.S. The native language is portuguese. I don't know if in the latest version there are the english installer. If no you can see the following screenshots to help:
Start Scan Options