[D-Rocks]

I was wondering am I defrag. my registry when I clean my registry with ccleaner?

[Yamikotai]

No, the registry cleaner deletes registry entries which are no longer associated with any programs. It's a mostly unnecessary process.

[forrestcupp]

CCleaner is awesome even if it doesn't defrag your registry.

Here is a freeware registry defragger, but defragging your registry is pretty unnecessary, too.