Under , ensure it is set to Once a day or Once a week to keep your media components current.
: Click OK and try playing your file again. If prompted to install a specific codec during playback, click Install . Why Automatic Downloads Might Fail
By default, WMP 12 is designed to fetch necessary codecs from the internet when it encounters a file it can't play. If this isn't happening, follow these steps to enable the setting:
: If the menu bar is hidden, press Ctrl + M . Access Options : Click on the Tools menu and select Options . Configure Player Settings : Navigate to the Player tab. Check the box labeled Download codecs automatically .
To ensure smooth playback for all your movies and music, you can configure Windows Media Player 12 (WMP 12) to . Codecs are essential software components that encode and decode digital media, and missing one often results in "codec not supported" errors. How to Enable Automatic Codec Downloads