i cant trouble shoot at the moment but you need to start in safe mode and possibly install
Avast, AVG, or Panda Antivirus
and do a scan and get rig of everything
if that doesn't work you need to go into msconfig and disable startup items that relate to the infection which unless you know what your doing i would tell her to take it to someone like Inspect-a-gadget << club supporter 10% discounts apply for club members