# Conversion failed. A required codec could not be found or failed to install **URL:** \ **Category:** Plex Media Server\ **Tags:** server-qnap\ **Created:** [April 24, 2020, 10:22pm UTC](https://forums.plex.tv/t/conversion-failed-a-required-codec-could-not-be-found-or-failed-to-install/580149 "2020-04-24T22:22:31Z")\ **Posts on this page:** 9\ **Page:** 1
**Author:** ![QnapP88](https://avatars.discourse-cdn.com/v4/letter/q/76d3ee/32.png) [@QnapP88](https://forums.plex.tv/u/QnapP88)\ **Post date:** [April 24, 2020, 10:22pm UTC](https://forums.plex.tv/t/conversion-failed-a-required-codec-could-not-be-found-or-failed-to-install/580149/1 "2020-04-24T22:22:31Z")
Server Version#: Version 1.18.9.2578 Player Version#: Version 4.22.3 I can not stream from my QNAP server. I get this error on every file. How can i fix it? It just happend. I have not configured anything. “Conversion failed. A required codec could not be found or failed to install.” ---
**Author:** ![ChuckPa](https://sea1.discourse-cdn.com/plex/user_avatar/forums.plex.tv/chuckpa/32/79710_2.png) [@ChuckPa](https://forums.plex.tv/u/ChuckPa)\ **Post date:** [April 24, 2020, 10:39pm UTC](https://forums.plex.tv/t/conversion-failed-a-required-codec-could-not-be-found-or-failed-to-install/580149/2 "2020-04-24T22:39:31Z")
Did you just upgrade to PMS 1.18.9 or need a codec (audio or video) which you’ve not used before? ---
**Author:** ![QnapP88](https://avatars.discourse-cdn.com/v4/letter/q/76d3ee/32.png) [@QnapP88](https://forums.plex.tv/u/QnapP88)\ **Post date:** [April 25, 2020, 8:10am UTC](https://forums.plex.tv/t/conversion-failed-a-required-codec-could-not-be-found-or-failed-to-install/580149/3 "2020-04-25T08:10:39Z")
In my recall i did not do anything. I did not update (I have to do it manually on QNAP, and i don’t recall doing it) I can’t open any of my movies. They all use to work. ---
**Author:** ![ChuckPa](https://sea1.discourse-cdn.com/plex/user_avatar/forums.plex.tv/chuckpa/32/79710_2.png) [@ChuckPa](https://forums.plex.tv/u/ChuckPa)\ **Post date:** [April 25, 2020, 4:05pm UTC](https://forums.plex.tv/t/conversion-failed-a-required-codec-could-not-be-found-or-failed-to-install/580149/4 "2020-04-25T16:05:22Z")
I need the log files ZIP 1. Attempt to play something 2. After the failure 3. Settings - Server - Troubleshooting - Download Logs 4. Attach the ZIP ---
**Author:** ![QnapP88](https://avatars.discourse-cdn.com/v4/letter/q/76d3ee/32.png) [@QnapP88](https://forums.plex.tv/u/QnapP88)\ **Post date:** [April 25, 2020, 5:03pm UTC](https://forums.plex.tv/t/conversion-failed-a-required-codec-could-not-be-found-or-failed-to-install/580149/5 "2020-04-25T17:03:49Z")
[Plex Media Server Logs\_2020-04-25\_19-23-32.zip](https://forums.plex.tv/uploads/short-url/nYIPE3ov6amMNTUPjcHdlgGrO5b.zip) (3.9 MB) Here you go 🙂 ---
**Author:** ![ChuckPa](https://sea1.discourse-cdn.com/plex/user_avatar/forums.plex.tv/chuckpa/32/79710_2.png) [@ChuckPa](https://forums.plex.tv/u/ChuckPa)\ **Post date:** [April 25, 2020, 7:55pm UTC](https://forums.plex.tv/t/conversion-failed-a-required-codec-could-not-be-found-or-failed-to-install/580149/6 "2020-04-25T19:55:56Z")
It can’t get to plex.tv to download the codec for this version of PMS. ```auto Apr 25, 2020 19:23:01.113 [0x7f865cac2700] DEBUG - We're going to try to auto-select an audio stream for account 1. Apr 25, 2020 19:23:01.113 [0x7f865cac2700] DEBUG - Selecting best audio stream for part ID 7632 (autoselect: 1 language: en) Apr 25, 2020 19:23:01.113 [0x7f865cac2700] DEBUG - We're going to try to auto-select a subtitle. Apr 25, 2020 19:23:01.113 [0x7f865cac2700] DEBUG - Subtitles: Found a candidate subtitle language [dan] for a foreign film Apr 25, 2020 19:23:01.113 [0x7f865cac2700] DEBUG - Audio Stream: 17454, Subtitle Stream: 17456 Apr 25, 2020 19:23:01.114 [0x7f865cac2700] DEBUG - Found session GUID of 4p7m7wbe535i5gnknqwb6pe7 in session start. Apr 25, 2020 19:23:01.114 [0x7f865cac2700] DEBUG - Cleaning directory for session 4p7m7wbe535i5gnknqwb6pe7 () Apr 25, 2020 19:23:01.114 [0x7f865cac2700] DEBUG - Starting a transcode session 4p7m7wbe535i5gnknqwb6pe7 at offset -1.0 (state=3) Apr 25, 2020 19:23:01.115 [0x7f865cac2700] INFO - CodecManager: obtaining decoder 'h264' Apr 25, 2020 19:23:01.115 [0x7f865cac2700] DEBUG - HTTP requesting GET https://plex.tv/api/codecs/h264_decoder?build=linux-x86_64-standard&deviceId=8ef4e155-65a4-4da9-b730-90f2489023d9&oldestPreviousVersion=1%2E16%2E3%2E1402-22929c8a2&version=99c90e0-3095 Apr 25, 2020 19:23:06.742 [0x7f85eb447700] ERROR - Error issuing curl_easy_perform(handle): 28 Apr 25, 2020 19:23:06.742 [0x7f85eb447700] DEBUG - HTTP simulating 408 after curl timeout Apr 25, 2020 19:23:06.742 [0x7f85eb447700] WARN - MyPlex: Updating device connections failed, retrying in 320 seconds. Apr 25, 2020 19:23:12.877 [0x7f866d51d700] DEBUG - Completed: [192.168.1.12:59398] 200 GET /player/proxy/poll?deviceClass=pc&protocolVersion=3&protocolCapabilities=timeline%2Cplayback%2Cnavigation%2Cmirror%2Cplayqueues&timeout=1 (4 live) TLS GZIP 20000ms 5 bytes (pipelined: 200) Apr 25, 2020 19:23:12.889 [0x7f866d22f700] DEBUG - Auth: authenticated user 1 as Qnap20@gmail.com Apr 25, 2020 19:23:12.889 [0x7f860b159700] DEBUG - Request: [192.168.1.12:59398 (Subnet)] GET /player/proxy/poll?deviceClass=pc&protocolVersion=3&protocolCapabilities=timeline%2Cplayback%2Cnavigation%2Cmirror%2Cplayqueues&timeout=1 (4 live) TLS GZIP Signed-in Token (Qnap20@gmail.com) Apr 25, 2020 19:23:12.889 [0x7f860b159700] DEBUG - Content-Length is -1 (of total: -1). Apr 25, 2020 19:23:16.116 [0x7f865cac2700] ERROR - Error issuing curl_easy_perform(handle): 28 Apr 25, 2020 19:23:16.116 [0x7f865cac2700] DEBUG - HTTP simulating 408 after curl timeout Apr 25, 2020 19:23:16.116 [0x7f865cac2700] ERROR - Codecs: Failed to download XML for codec 'h264_decoder' Apr 25, 2020 19:23:16.117 [0x7f865cac2700] ERROR - Error configuring transcoder: Decoder install failed: h264 Apr 25, 2020 19:23:16.117 [0x7f865cac2700] DEBUG - Streaming Resource: Terminating session 0x7f85ec1b9180:z3pn429vrhc4m7vxy4yg1iq1 which is using transcoder slot. Used slots is now 0 Apr 25, 2020 19:23:16.117 [0x7f865cac2700] DEBUG - Streaming Resource: Terminated session 0x7f85ec1b9180:z3pn429vrhc4m7vxy4yg1iq1 with reason Conversion failed. A required codec could not be found or failed to install. Apr 25, 2020 19:23:16.117 [0x7f85ea2b3700 ``` ---
**Author:** ![QnapP88](https://avatars.discourse-cdn.com/v4/letter/q/76d3ee/32.png) [@QnapP88](https://forums.plex.tv/u/QnapP88)\ **Post date:** [April 25, 2020, 9:40pm UTC](https://forums.plex.tv/t/conversion-failed-a-required-codec-could-not-be-found-or-failed-to-install/580149/7 "2020-04-25T21:40:27Z")
What do i do then? 🙂 ---
**Author:** ![ChuckPa](https://sea1.discourse-cdn.com/plex/user_avatar/forums.plex.tv/chuckpa/32/79710_2.png) [@ChuckPa](https://forums.plex.tv/u/ChuckPa)\ **Post date:** [April 25, 2020, 10:01pm UTC](https://forums.plex.tv/t/conversion-failed-a-required-codec-could-not-be-found-or-failed-to-install/580149/8 "2020-04-25T22:01:14Z")
Is the NAS connected and configured for the outside internet? Is this hard wired or WiFi ? ---
**Author:** ![system](https://global.discourse-cdn.com/plex/original/3X/2/a/2acb9765406f63293d357b4ec509ec39aa28f2ad.png) [@system](https://forums.plex.tv/u/system)\ **Post date:** [July 24, 2020, 10:01pm UTC](https://forums.plex.tv/t/conversion-failed-a-required-codec-could-not-be-found-or-failed-to-install/580149/9 "2020-07-24T22:01:16Z")
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