Go to Piriform and try their programs. CCleaner for cleaning up the hard drive and Defraggler for defragging.
AMD 9150e, 1.80 GHz
windows vista home premium
4GB , 64 bit
use internet explorer
been having increasing problem of "flashes" of graphics previously viewed, tho mostly in open email, the banner on the R side of the screen, flashes repeatedly on the L side, and i see it is worse if the cursor is on the R side banner
tried to defragment which is not happening, also have tried to download some of these supposed free items to "clean up" but they all want $$$ after they tell you how many problems thay have found ..help !!!