Reply to Logic 9 Error Help

Hey Guys,
I just bought Logic, literally four days ago, and haven't even gotten more than two tracks into a project at once. For some reason though, i keep getting an error message saying, "Error while trying to synchronize Audio and MIDI. Sample rate 48000 recognized. Check conflict between logic pro and external devices." which makes all of the midi regions play off beat, so it sounds like mush. I've read all the post on all the community s, and none of the suggestion on them worked for me. I have no connected devices, at least haven't connected them yet, so i'm lost. I barely even understand logic much yet, but i'm already pissed off. Help!!!???