no need waste time at all for searching good cleaner from large lists. just use this great cleaner. i clean my computer manually after long time, searching in every directories all the files i dont need and delete them when i sure it is safe. it takes times to do it. be very careful of deleting what not sure of, better leave it alone or may damage the system. especially the registries. with ccleaner i use it everyday, just run and exit. take 1 minute?! also i use reg supreme pro for cleaning registries too.