Windows Messengerの最新版、動画と音声が同期しない問題を修正 (INTERNET Watch, 05.09.22) MSKB:900466 The sound and video are not synchronized correctly if you call a computer by using sound and video in Windows Messenger
Windows Messengerにエラーメッセージが表示される不具合〜修正版を提供 (INTERNET WAtch, 05.03.31) MSKB:894867 Windows Messenger 5.1 tries to repair itself when you copy or paste data from an Office program, open Adobe Acrobat Reader, or use MSN Messenger