i have googled and i think this link has the same problem with mine take a look

http://answers.yahoo.com/question/index;_ylt=AjUBajuXEiWqDsf9z3wCfyTxDn1G;_ylv=3?qid=20110910020331AA4EzOm

thats exactly what will happen when i try to log in with ym. unfortunately i just uninstalled ym so that i can reinstall it but i cant connect to yahoo messenger site, i think there blocking users from philippines or something