Compy infected...

[Kenryuu]

Help!!! Ever since i downloaded that adobe thing for reading the fiesta mag, a little bar on my web page would tell me if i got a virus or something. And today it said my comp was infected with spyware D: Im really scared they are gonna key-log my game.... i dont know why they would but they might...
WELL... is there a(safe) way for me to get rid of the spyware without spending any money? Pls Help And ty in advance
Edit: my comp is slightly slower now and i scanned my comp and it shows i have lots of risks on my comp but im not sure how long they been there.. and my comp has the crappyest secuirity
Edit again: actually its just slow now....