Sorry, this is not the right place to post problems with Registry Cleaner under Windows 7.
This part of the forum is exclusively reserved for real forum NEWS.
There are several other parts of this forum to post RC problems.
When you are running jv16 PowerTools 2009, then you should post in that part of the forum, here: http://www.macecraft.com/phpBB3/viewforum.php?f=21
When you are betatesting jv16 PowerTools 2010 the you should post in the betatesting part, here: http://www.macecraft.com/phpBB3/viewtopic.php?f=10&t=3994