MajorGeeks shows you how to fix 0xc00d5212: This item was encoded in a format that's not supported.
0xc00d5212 - This item was encoded in a format that's not supported
While playing your videos in Windows Media Player or the Movies & TV app, you might receive an error code 0xc00d5212 with the message "This item was encoded in a format that's not supported," and find yourself redirected to purchase the HEVC codecs from Microsoft or stuck unable to play videos. Here's how to solve the problem for free.
0xc00d5212 - This item was encoded in a format that's not supported