internet download manager

How do i get rid o a virus , i downloaded internet download manager last night . Don't know where from i think it said registed to something or other , i'v since uninstalled it and repaced with a free version .I erased the file , now i get photo,s of mcafee anti-virus als other photo's i think...

I downloaded some .swf flash games from Facebook using Internet Download Manager downloader putting the .swf file extension to its list of downloadable files and tried with some swf players to play those games and they not operate. It only shows me the start screen for 1 second and then stops...