i am using ibook G4. couple days ago, i suddendly found myself unable to sign in msn messenger anymore! i have 2 accounts, neither of them works. the error msg is "incorrect password or username doesnt exsit". i tried to sign in on pc, both works. i can also sign in hotmail on my ibook too. i tried to uninstall the messenger and install again. doesnt help i cant sign in adium by my hotmail account either. also tried to uninstall and install again. worked once. the 2nd time i tried to sign in, failed. has anyone met the same prob? can someone hlep??!! thanks a million!