After investigating this issue, it turns out that this particular problem will occur due to a bad Windows 10 update that the Microsoft team has pushed for the HEVC Video Extension module. As it turns out, there are two ways of mitigating this problem on Windows 10 (Method 1 and Method 2). Choose whichever one is more convenient for your particular scenario.
Method 1: Resetting the HEVC Video Extension file
By far, the most common instance that will cause this problem comes from a bad update that Microsoft has pushed which ended up updating the HEVC Video Extension app. While this update alleviated some inconsistencies, it ended up breaking 4k playback through Edge (which Netflix uses). NOTE: HEVC Video Extension is an app from Microsoft that’s designed to take advantage of the latest hardware capabilities on newer CPU and GPUs to stream and render 4k content. If this scenario looks like it could be applicable, you should be able to resolve the issue by resetting the HEVC Video Extension app. This process will reset the app to the default state, backtracking every update or modification that was performed after the fact. To reset the HEVC Video Extension file to the default state on Windows 10, follow the instructions below: In case the same U7361-1254-C00DB3B2 error is still occurring, move down to the next potential fix below.
Method 2: Uninstalling the HEVC Video Extension app
If the first potential fix didn’t work, your next step should be to uninstall the HEVC Video Extension using the Apps & Features tool and restart your computer. Some affected users have confirmed that this operation was the only thing that allowed them to stream 4k content from Netflix using Microsoft Edge without triggering the U7361-1254-C00DB3B2 error. Note: Upon uninstalling this app, you will lose the ability to play 4k content (in any shape or form). However, there are ways around this problem – You can use a 3rd party program like VLC or Kodi to replay the native 4k player on Windows 10. If you are prepared to use this fix and you understand the consequences, follow the instructions below: In case this didn’t resolve the U7361-1254-C00DB3B2 error for you or you simply can’t afford to lose 4k playback capabilities for the TV & Movies app, consider using a different browser like Chrome or Firefox that includes independent codecs for 4k.
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