Invalid CLSID registry entries

I have been having trouble clearing Hkey Classes Root invalid CLSID keys in the component sub system.

CCleaner and others have failed to delete these registry keys.

I have 80+ on my system.

I recently re-installed XP and programs after a crash although every thing now seems ok using Wise Registry Claener it lists these clsid as can try to fix but not completely safe.

Can any one help?

I think their used to be a fix:

http://forum.piriform.com/index.php?showtopic=8588