Spyhunter was a bad idea Claire. Although it has been delisted from the rogue Spyware list, Spyhunter and all Enigma Software products are not recommended.
It sounds like you need to be thoroughly checked over, for which there are a number of free forums.
If you want to register here
http://www.kickenhardware.net/forum/index.php
then read the stickies in this room
http://www.kickenhardware.net/forum/forumdispl ay.php?f=73
Dont worry. The days of many scans and long logs are gone. We can have you cleaned up in no time.