Switch to OpenDNS.
http://www.opendns.com/
They have free services to replace your ISP's DNS. You can google to get the DNS addresses as well if you don't want to sign up.
Tell her to also stop opening email / junk mail from folks she doesn't know. If you never signed up for something and suddenly your getting email from them, add them to the junk mail / spam list.
Virus protection is as much common sense as it is software.
http://www.opendns.com/
They have free services to replace your ISP's DNS. You can google to get the DNS addresses as well if you don't want to sign up.
Tell her to also stop opening email / junk mail from folks she doesn't know. If you never signed up for something and suddenly your getting email from them, add them to the junk mail / spam list.
Virus protection is as much common sense as it is software.