# Plex server keeps crashing **URL:** \ **Category:** Plex Media Server\ **Tags:** server-windows\ **Created:** [June 6, 2020, 6:25pm UTC](https://forums.plex.tv/t/plex-server-keeps-crashing/600469 "2020-06-06T18:25:20Z")\ **Posts on this page:** 9\ **Page:** 1
**Author:** ![fido-dk](https://avatars.discourse-cdn.com/v4/letter/f/54ee81/32.png) [@fido-dk](https://forums.plex.tv/u/fido-dk)\ **Post date:** [June 6, 2020, 6:25pm UTC](https://forums.plex.tv/t/plex-server-keeps-crashing/600469/1 "2020-06-06T18:25:20Z")
Server Version#: 1.19.4.2902 Player Version#: N/A Windows version: Windows 10 Pro Hi, During the last few days my plex started crashing constantly - it runs for perhaps 5 min at a time now ☹ It even crashes if there are no clients connected… Windows logs does not show anything useful, and when checking plex logs, i’m noget getting any wiser… with errors like: Jun 06, 2020 20:14:24.272 [10492] ERROR - Unable to lock named mutex 9334581e-7251-4ef7-a8ec-5bfe8e89ff68: 0x80 Jun 06, 2020 20:14:24.272 [10492] DEBUG - Stopping UPNP server I hope that there is someone that can help as I have tried a repair/reinstall [Plex Media Server Logs\_2020-06-06\_20-19-23.zip](https://forums.plex.tv/uploads/short-url/bQhqss2Kqm79iymhHZuw88A3lCQ.zip) (231.4 KB) thanks in advance /fido-dk ---
**Author:** ![FordGuy61](https://avatars.discourse-cdn.com/v4/letter/f/22d042/32.png) [@FordGuy61](https://forums.plex.tv/u/FordGuy61)\ **Post date:** [June 6, 2020, 6:40pm UTC](https://forums.plex.tv/t/plex-server-keeps-crashing/600469/2 "2020-06-06T18:40:04Z")
`Jun 06, 2020 20:19:18.146 [9408] ERROR - Error parsing allowedNetworks '': Der blev angivet et ugyldigt argument` Check your settings in Server Settings -\> Network. Make sure you’re using the correct syntax. If you’re listing more than one network, do not add a space between them. Not sure if that is causing the crash, but it should be corrected. ---
**Author:** ![fido-dk](https://avatars.discourse-cdn.com/v4/letter/f/54ee81/32.png) [@fido-dk](https://forums.plex.tv/u/fido-dk)\ **Post date:** [June 6, 2020, 6:43pm UTC](https://forums.plex.tv/t/plex-server-keeps-crashing/600469/3 "2020-06-06T18:43:12Z")
Hi FordGuy61 I only have one network in “Lan networks”, but i will try and leave it blank and see if it helps. /Fido-dk ---
**Author:** ![fido-dk](https://avatars.discourse-cdn.com/v4/letter/f/54ee81/32.png) [@fido-dk](https://forums.plex.tv/u/fido-dk)\ **Post date:** [June 6, 2020, 6:49pm UTC](https://forums.plex.tv/t/plex-server-keeps-crashing/600469/4 "2020-06-06T18:49:02Z")
Still crashes, new logs if needed [Plex Media Server Logs\_2020-06-06\_20-48-15.zip](https://forums.plex.tv/uploads/short-url/dhNJHdImqqALmmaoeRvfgzo25LH.zip) (183.5 KB) ---
**Author:** ![pshanew](https://sea1.discourse-cdn.com/plex/user_avatar/forums.plex.tv/pshanew/32/160555_2.png) [@pshanew](https://forums.plex.tv/u/pshanew)\ **Post date:** [June 6, 2020, 11:37pm UTC](https://forums.plex.tv/t/plex-server-keeps-crashing/600469/5 "2020-06-06T23:37:01Z")
It appears to be an issue with hardware accelerated transcoding. This is some of the last output in your logs before the crash: ```auto Jun 06, 2020 20:46:55.266 [11024] DEBUG - Codecs: testing h264_qsv (encoder) Jun 06, 2020 20:46:55.266 [11024] DEBUG - Codecs: hardware transcoding: testing API qsv ``` It’s testing Intel Quick Sync Video to see if it’s available. Chances are, if you see this immediately before a crash, that’s the cause. To see if this is the case here, try disabling hardware accelerated transcoding. Uncheck: `Settings -> Transcoder -> Use hardware accelerated transcoding when available` If the server stops crashing, check your Intel video drivers. There are certain versions which are known to cause issues. This post from @sa2000 has a summary: > [@Hardware transcoding (QuickSync) causing server crash](https://forums.plex.tv/t/hardware-transcoding-quicksync-causing-server-crash/481220/75): > > Consolidating all info relating to crashes and hardware acceleration Following the test of new Intel driver by @Geran and previous feedback from @d0cx, we now have a conclusion to these crashes. So to summarize the fixes for Plex Media Server crashes when hardware acceleration is in use Intel Graphics Adapter Driver bug - leading to crash of the Plex Media Server process in module igdumdim32.dll This is now fixed in the latest driver - this table shows the versions and which version fixes … ---
**Author:** ![fido-dk](https://avatars.discourse-cdn.com/v4/letter/f/54ee81/32.png) [@fido-dk](https://forums.plex.tv/u/fido-dk)\ **Post date:** [June 7, 2020, 7:44am UTC](https://forums.plex.tv/t/plex-server-keeps-crashing/600469/6 "2020-06-07T07:44:11Z")
Hi philipsw After turning off hardware accelerated transcoding my plex looks to have stopped crashing 😃 I will keep monitoring the system if it is not the root cause. Intel drivers have also been updated just in case. Thanks for the help and I will confirm is the server runs as expected for the next day or so. /Fido-dk ---
**Author:** ![fido-dk](https://avatars.discourse-cdn.com/v4/letter/f/54ee81/32.png) [@fido-dk](https://forums.plex.tv/u/fido-dk)\ **Post date:** [June 12, 2020, 6:40pm UTC](https://forums.plex.tv/t/plex-server-keeps-crashing/600469/7 "2020-06-12T18:40:29Z")
Hi again GFX driver did the trick, after disabling hardware acceleration the server was abel to stay running, updated the GFX drivers and now everything is back to normal 🙂 Thanks for the help, its VERY appriciated /Fido-dk ---
**Author:** ![pshanew](https://sea1.discourse-cdn.com/plex/user_avatar/forums.plex.tv/pshanew/32/160555_2.png) [@pshanew](https://forums.plex.tv/u/pshanew)\ **Post date:** [June 12, 2020, 6:51pm UTC](https://forums.plex.tv/t/plex-server-keeps-crashing/600469/8 "2020-06-12T18:51:34Z")
No problem, glad it’s working again. ---
**Author:** ![system](https://global.discourse-cdn.com/plex/original/3X/2/a/2acb9765406f63293d357b4ec509ec39aa28f2ad.png) [@system](https://forums.plex.tv/u/system)\ **Post date:** [September 10, 2020, 6:51pm UTC](https://forums.plex.tv/t/plex-server-keeps-crashing/600469/9 "2020-09-10T18:51:37Z")
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