You can try the programs in these thread; 1st thread contains manual instructions for cleaning & some programs
http://www.oldversion.com/talk/index.php?a...&f=1&t=1002&hl=
http://www.oldversion.com/talk/index.php?a...&st=0#entry6333
another thread of similar interest
http://www.oldversion.com/talk/index.php?a...&st=0#entry4814