That looks like a problem with Windows Media Player. It's known to have issues playing files which are fine with most other players. Just try VLC, your video editor of choice or uploading it to YT and it should look fine.
That looks like a problem with Windows Media Player. It's known to have issues playing files which are fine with most other players. Just try VLC, your video editor of choice or uploading it to YT and it should look fine.