# Playback Error - an unknown error occurred (4294967283)

**URL:** <https://forums.plex.tv/t/playback-error-an-unknown-error-occurred-4294967283/942828>\
**Category:** Plex Players\
**Tags:** server-linux, player-windows\
**Created:** [September 13, 2026, 2:55pm UTC](https://forums.plex.tv/t/playback-error-an-unknown-error-occurred-4294967283/942828 "2026-09-13T14:55:36Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![snewpy](https://sea1.discourse-cdn.com/plex/user_avatar/forums.plex.tv/snewpy/32/25853_2.png) [@snewpy](https://forums.plex.tv/u/snewpy)\
**Post date:** [September 13, 2026, 2:55pm UTC](https://forums.plex.tv/t/playback-error-an-unknown-error-occurred-4294967283/942828/1 "2026-09-13T14:55:36Z")

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Server Version#: 1.43.4.10903-720010903  
Player Version#: 1.71.1.346-f62ce923

I’m getting the subject error in the HTPC version of the player. It just started doing this on Fri, Sep 11. The web browser version still works fine.

 ![image](https://global.discourse-cdn.com/plex/original/4X/e/4/5/e450940fb0d10c24963afbede9f7b95959cf7968.jpeg)

> Sep 13, 2026 09:26:48.274 [140282600799032] INFO - Crash Uploader - Session Health - Status: exited StartTime: 1789296982 Duration: 12625 UserId: [my email] Version: 1.43.4.10903-e5521bd8c  
> Sep 13, 2026 09:26:48.274 [140282628814856] DEBUG - [HCl#1] HTTP requesting POST [https://o17675.ingest.sentry.io/api/1233455/envelope/?sentry\_key=xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx](https://o17675.ingest.sentry.io/api/1233455/envelope/?sentry_key=xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx)  
> Sep 13, 2026 09:26:48.598 [140282600545080] DEBUG - [HttpClient/HCl#1] HTTP/2.0 (0.3s) 200 response from POST [https://o17675.ingest.sentry.io/api/1233455/envelope/?sentry\_key=xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx](https://o17675.ingest.sentry.io/api/1233455/envelope/?sentry_key=xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx)  
> Sep 13, 2026 09:26:48.598 [140282628814856] INFO - Successfully reported session health  
> Sep 13, 2026 09:26:48.598 [140282628814856] INFO - Crash Uploader - Processing Complete.

I’ve installed the HTPC version on another PC on my network and it’s doing the same thing, so the problem is on the server, which is a Synology NAS.

Anyone else having this problem?

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<div class="post-metadata">

**Author:** ![snewpy](https://sea1.discourse-cdn.com/plex/user_avatar/forums.plex.tv/snewpy/32/25853_2.png) [@snewpy](https://forums.plex.tv/u/snewpy)\
**Post date:** [September 16, 2026, 10:04pm UTC](https://forums.plex.tv/t/playback-error-an-unknown-error-occurred-4294967283/942828/2 "2026-09-16T22:04:10Z")

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Here are my log files, but I’m not sure if they will help or not.

[Plex Media Server Logs\_2026-09-16\_16-23-29.zip](https://forums.plex.tv/uploads/short-url/cCb7DbNKeL6SwabWseOlbrf10W5.zip) (5.2 MB)