|All computers; PC's, Laptops and Tablets get unwanted files that have been temporarily created by programs used on the computer and not deleted when the program closes. Google Earth is a big culprit.|
To keep your computer running smoothly it is recommended that you regularly use a cleaner followed by a maintenace program.
The recomended programs you should use are "CCleaner" and "System Mechanics". The latter ensures the technical side of the computer is functioning correctly.
Both programs have a paid for version and a free version. The free version of each is sufficient to keep most computers in good running order provided that they are run about once per week.