1)   Crisystec Sentry.365 3.0
CrisysTec Sentry is an easy to use powerful and flexible data cleaning system for a single user Windows PC. Daily use protects you from unwanted data becoming permanently hidden in your PC. CrisysTec Sentry takes care of all of your privacy concerns.

 2)   Disk CleanUp 2000 4.8
Disk CleanUp is a small disk utility designed to clear previously deleted files. Deleting a file will normally just remove the file's directory entry, but the data itself still remains on the disk. CleanUp will eliminate the contents of these files.