Clean & Tidy - Version 1.5 Most hard drive are full of junk files that have been left behind by other clean up software. These junk files waste space and can even cause problems with the normal operation of your computer. Clean and Tidy is designed to clean up the junk that other software leaves behind. Clean and Tidy prevents problems on Windows 95 and NT 4.0 computers by finding and removing the garbage files that waste your hard drives space. Now find all the junk that is left in your registry!