When you are playing content from a network source, Microsoft Windows Media Player 9 Series may quit unexpectedly (crash) if Windows Media Player briefly loses the network connection and then tries to reconnect. If you are using Windows Media Player together with a host application such as Microsoft Internet Explorer, and Windows Media Player is embedded in the host application, the host application may quit unexpectedly if the network connection is lost.

FIX: Windows Media Player 9 Series quits unexpectedly while you are playing online content