QNAP TVS-882 - PLEX 1.13.5.5291 - Playback Error - Conversion Failed. A required codec could not be found or failed to install

Server Version#:1.13.5.5291
Player Version#: 3.67.1

I see there is an update 1.13.8.5395 and I have downloaded and tried manual update. It seems to complete but when I go back into Setting _> General it shows :1.13.5.5291.

Everything worked before this latest update. I have also stopped the plex service before trying to install the new version.

I am happy to pull logs if you tell me where to find them. Some videos play (MP4) but looks like the files that won’t play are MKV.

Help Please

So this is resolved, I had to update my NAS firmware then reboot and the PLEX service started with the new version. Now it works.

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