# Conversion failed. A required codec could not be found or failed to install **URL:** \ **Category:** Plex Media Server\ **Tags:** server-mac\ **Created:** [February 18, 2025, 5:51pm UTC](https://forums.plex.tv/t/conversion-failed-a-required-codec-could-not-be-found-or-failed-to-install/906117 "2025-02-18T17:51:56Z")\ **Posts on this page:** 3\ **Page:** 1
**Author:** ![paolo9785plex](https://avatars.discourse-cdn.com/v4/letter/p/e47774/32.png) [@paolo9785plex](https://forums.plex.tv/u/paolo9785plex)\ **Post date:** [February 18, 2025, 5:51pm UTC](https://forums.plex.tv/t/conversion-failed-a-required-codec-could-not-be-found-or-failed-to-install/906117/1 "2025-02-18T17:51:56Z")
Server Version#: 1.41.4.9463 Player Version#: 4.143.0 After upgrading to version 1.41.4.9463 none of the videos is visible anymore. I tried multiple solutions proposed like renaming Codec folder in order to allow recreating it, tried to set chmod +x to Codec folder but still not solving my problem. Anyone has a solution for MAC? ---
**Author:** ![paolo9785plex](https://avatars.discourse-cdn.com/v4/letter/p/e47774/32.png) [@paolo9785plex](https://forums.plex.tv/u/paolo9785plex)\ **Post date:** [February 18, 2025, 5:55pm UTC](https://forums.plex.tv/t/conversion-failed-a-required-codec-could-not-be-found-or-failed-to-install/906117/2 "2025-02-18T17:55:39Z")
attaching logs [Plex Media Server Logs\_2025-02-18\_09-53-37.zip](https://forums.plex.tv/uploads/short-url/eoTp1i5U7MoI5x92tfP5hjfC0nA.zip) (749.3 KB) ---
**Author:** ![system](https://global.discourse-cdn.com/plex/original/3X/2/a/2acb9765406f63293d357b4ec509ec39aa28f2ad.png) [@system](https://forums.plex.tv/u/system)\ **Post date:** [May 19, 2025, 5:56pm UTC](https://forums.plex.tv/t/conversion-failed-a-required-codec-could-not-be-found-or-failed-to-install/906117/3 "2025-05-19T17:56:02Z")
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