not playing the song
 

i used lime wire then it froze up on me and my computer whent blank. i had to reinstall everything back on. i tried lime wire again now most of the stuff i down load won't play on my i tunes. the only thing it will convert to i tunes is quick time mp3. i jused to be able to click on the file and open it with i tunes now when i click on the file it opens lime wire and does not play the song. can not launch any of the songs on my shared file. only quick time. does any body know whats wrong

help! i have the same problem!!!! ahhhhhhh