save.exe is a ad program see:http://www.answersthatwork.com/Tasklist_pages/tasklist_s.htm
you need to install some anti-spyware programs
spybot search and destroy
http://www.safer-networking.org/index.php?page=mirrors
ad-aware
http://download.com.com/3000-2144-10045910.html?part=69274&subj=dlpage&tag=button
spyware blaster
http://www.javacoolsoftware.com/spywareblaster.html
spyware guard
http://www.javacoolsoftware.com/sgdownload.html
Also get a firewall and e-mail filter
-max