QUOTE (Andavari @ Jul 15 2009, 06:12 AM)

No, especially if you don't know exactly what they'll do, many of them you may only need to run once but not everyday. Check out the CCleaner documentation site:
http://docs.piriform.com/Jeez! I should had ask here before doing it!!
but I don't see see or feel anything wrong with my computer after the process?