I'm on Yahoo Messenger a lot, and recently it started freezing up as soon as I would go to click on the "sign in" button at start-up. Have to force quit each time. It stays frozen the entire time, though I have had it sometimes finally start working one or two times over the past week. But basically, I can't use it at all anymore. Yes, I have tried re-installing it with the latest version. Made no difference whatsoever. I am using Mac OS X 10.4.11 and the latest YM located at this address... http://messenger.yahoo.com/platform/mac I have absolutely NO IDEA why this is happening. Any help would be appreciated.