hopefully your doing the install from a back up if not you should save all the files you don't want to lose on another hard drive or discs.
My computer a precarious cq50-- is so slow as to be useless. I ran cleaner on it which helped a little but now it's even worse. I installed Soluto but from the screen it's unclear how to use it (nothing that says "sca" or "clickhere to...." And alarmingly, Kaspersky antivirus won't update. What should I do? Is a system restore worth trying? FYI I'm using Windows 7