when i got on my ichat had a shaded grey question mark on ichat symbol, ichat wouldn't open up either, i dragged it to the desktop and it was deleted, idk where or how to get it back. I tried downloading one form apple store but since I have a software OS X of 10. 4 and i need 10.3, it wont work. Dear god plz someone help me or even send me ichat plz!