Yeah, so I ran into a problem recently, iChat just decided to completely not open. I click on it, and nothing. I re-started my computer and it did the same thing. I re-loaded it off of a backup copy of my computer, and again, nothing. Any ideas? Is there some .ichat file I can delete somewhere in the libary somewhere? That seems to be what I have to do if any other program is giving me trouble. "Delete the iTunes.plst file and then iTunes will work" Thanks for your help! BTW im running 10.4.1 and have kept everything up to date.