Upgrade to SP2
Then.. once that is done.. you'll have to boot into safe mode ( F8 before windows loading screen) and run these programs:
Spy bot search and destroy
Adaware
Anti Virus
I would also teach your family how to avoide getting that kind of stuff installed on your computer by licking ads and "OKAY" buttons just to view a site. Sit down and have a little talk with them telling them about the dangers of having spyware installd on your computer. If you need help here are some dangers:
- Pop Ups
- Tracking cookies... that send info to sites so they know where you have been
- Keyloggers - Get logs of every key you press... in other words, steal Login info & CC's.
- Annoying unwanted toolbars
The reason to use Firefox is that it does not have the security flaws with ActiveX that IE has. Meaning when you click an OK ad, nothing will happen.