Hello Hepa,
Thank you for posting here in the OGA Forums. Please view sticky post
http://social.microsoft.com/Forums/en-US/genuineoffice/thread/8d640c5d-bb4b-4fcf-88d5-42355ed957ae and run the MGA Diagnostic Tool. Next provide us with the results back in this thread. This will allow us to see what you are experiencing.
Thank you,
Stephen
Attention All Forum Users: Please Do Not post your issue in someone else's Thread...Create your own which will help minimize confusion. If any post fixes your issue, please click the "Post was Helpful" button for that post. This will help us showcase the threads that best help our customers. Thank you, Stephen Holm