Posted January 01, 2014

CCleaner = http://www.piriform.com/ccleaner/download
Then definitely run disk defragger afterwards. (big cause of slow on many pcs)
(ps. for the really hard to remove stuff, usually requires a boot disk, so hopefully you can burn one)
Defragging is pointless on modern systems as the drive will automatically be defragged when needed. If you have an SSD then it's downright harmful to manually defrag.