the 2 that i mentioned seem to be top rated; would you recomment them or any others? are they worthwhile, effective, useful, non-disruptive, etc?
thanks for your response!
goto www.download.com and then search in the downloads, they have a registry cleaner there I think its called Regclean, I've used it a few times to get rid of [...]

I know that Registry Fix is free download software to clean your pc,and prevent data loss and corruption,need info thanx…
The best is regucre:
Clean add/remove Software List
Clean up Internet Explorer
Fixes Corrupt Files
Remove Duplicate Files
Deletes Empty Registry Keys
Fixes Invalid Class Keys
Fixes Invalid Help Files
Fixes Invalid Shortcuts
Checks Application Paths
Checks Active X Controls
Repairs Invalid fonts
Checks Uninstall Information
Checks Obsolete Start [...]