ITUNES WILL NOT STOP CRASHING!!!!!! - i'm fed up with it.

ITUNES WILL NOT STOP CRASHING!!!!!! - i'm fed up with it, i cant load it, i cant add music too library, i cant sync my phone, i cant update, it runs for about 30 seconds, and crashes every time. i havent added a folder to the library, only tried to add mp3's which have previously worked fine... what else is there thazt i can manage my iphone data with?