Hy Carla, how goes....
Try from iolo.com System mechanic ( trial ). Use the spyware removal included. You can also go see the startup menu, and disable all items that seems dubious....
Get also the trojon remover trial at
http://www.simplysup.com/tremover/
The scripts installed are getting nastier evey day...
Good luck.
Need more help? If you still have my email, just do so.