If you are going to use a registry cleaner I would suggest CC Cleaner it is very safe and keeps a back of item deleted, so you can re-install if needed. i have used CC Cleaner for years Link Removed
Most here (including myself) will tell you to just stay away from registry cleaners. The forums does promote Registry Booster and CCleaner is also probably one of the "safest" reg cleaners if you do feel the need.
If you are going to use a registry cleaner I would suggest CC Cleaner it is very safe and keeps a back of item deleted, so you can re-install if needed. i have used CC Cleaner for years Link Removed