CCleaner [REGISTRY] tab - do you have all boxes checked? If Yes, then the only other thing, outside of what ^skaz^ is suggesting, is to double check the Program Files directory and make sure there's no hint of the removed program.
Thank you both for the replies. Found a free program - Advanced System Care 5 that worked well - so far. Did not ask questions. The upgrade allows individual to do more.
Again, many thanks.