1st: The computer techs are full of crap, it takes 2 hours at the most to do this.
2nd: Dont do anything until you download www.lavasoftusa.com
the free version of AD-AWARE
A: Once you have the personal version installed, check for updates. Then click "Start." Then find "Customize" check all of the computers Hard Drive and make sure "Scan within archives" is checked. After all of that scan and Quarantine anything the scan found and then delete it and the backups (a little lock Icon on the top of the screen).
3rd: If that doesnt work, do you know how to reformat a computer?