I use the following: Advanced Windows Care V2 Personal and Reg Scrub XP---they work for me and the thing that is really cool is that they are FREE!!! The Reg Scrub XP I let the program "find" the crapola and then I like select "all" & delete! The Advanced Windows Care V2 Personal not only finds Registry errors but spyware, cookies, history and is really a sweet program to run and EASY! And no, I have never had either of these delete programs that make my PC work, has NEVER changed the language from English to pig-latin, etc!!