programs keep installing

[ProudCheater]

programs are being installed on my computer without me even downloading them what should i do.

 

[Aap]

Get a antivirus, try Ewido http://www.ewido.net

 

[lilfuzzyrat]

What kind of programs keep installing? Specifics please.

 

[WinterDreamZ3]

What kind of programs keep installing? Specifics please.

Spyware... Doh?

Run this
http://www.hitmanpro.nl/hitmanpro/index.php?lang=en