I have windows xp and can't expell some of my installed programs as i get the message the windows installer is not installed correctly. I looked at regcleaner.com, and await an answer to be sure that if i buy their program it will help me re-install windows installer service. Am i walking the plank on this? I just want a simple fix to get this over with. I tried microsoft, but it wasn't applicable, as they asked for some things that did not show up in the window and or?