Since I put together this new rig and installed Win7 on it, I've been using Windows Media Player to play backups of old mp3's and to rip CD's. In the past I've always used 3rd party software for ...

Dear Lifehacker, Windows Media Player hijacked my MP3 files and converted them all to WMA. I want to change them back easily in one sweep—but am not the most savvy user.

When playing MP3, MP4 media files if you receive error Can't play media file, 0xc00d36c4 on Windows 11/10, see this post for the solution.

Learn how to play WMA files on Windows 11/10. You can use WMP 12, Movies and TV app, and third party players if WMA does not play in WMP.