Plex won't start - solved - Windows 10 IPv6 helper listening on 32400

General Discussions
1

My PMS won’t start on my windows machine. When I attempt to launch it the Plex icon shows in the tray for a few seconds then goes away. I uninstalled Plex (both of them) and redownloaded and installed PMS.

To further complicate finding the problem I just did a windows update:
Windows 10 Pro
Version 1803
OS Build 17134.648

To complicate things further I just tried Xflak’s script to allow remote access from behind a VPN (Newshosting)

The only troubleshooting I have done so far is ipconfig/release then /renew.

Log:
Mar 22, 2019 09:22:14.078 [2176] INFO - Plex Media Server v1.15.2.793-782228f99 - Microsoft PC x64 - build: windows-x86 windows - GMT -04:00
Mar 22, 2019 09:22:14.079 [2176] INFO - Windows version: 10.0 (Build 17134), language en-US
Mar 22, 2019 09:22:14.079 [2176] INFO - 4 3093 MHz processor(s): Architecture=0, Level=6, Revision=10759 Processor Identifier=Intel64 Family 6 Model 42 Stepping 7, GenuineIntel
Mar 22, 2019 09:22:14.079 [2176] DEBUG - “C:\Program Files (x86)\Plex\Plex Media Server\Plex Media Server.exe”
Mar 22, 2019 09:22:14.083 [2296] DEBUG - Plex for Windows Store application is not installed
Mar 22, 2019 09:22:14.085 [2296] DEBUG - BPQ: [Idle] -> [Starting]
Mar 22, 2019 09:22:14.090 [2296] DEBUG - FeatureManager: Using cached data for features list
Mar 22, 2019 09:22:14.092 [2296] DEBUG - Opening 20 database sessions to library (com.plexapp.plugins.library), SQLite 3.26.0, threadsafe=1
Mar 22, 2019 09:22:14.104 [2296] INFO - SQLITE3:0xa2d02060, 283, recovered 17 frames from WAL file C:\Users\Ray\AppData\Local\Plex Media Server\Plug-in Support\Databases\com.plexapp.plugins.library.db-wal
Mar 22, 2019 09:22:14.187 [2296] DEBUG - Running migrations. (EPG 0)
Mar 22, 2019 09:22:14.435 [2296] DEBUG - ChangestampAllocator: initialized to 1773304
Mar 22, 2019 09:22:14.435 [2296] DEBUG - Opening 2 database sessions to library (com.plexapp.plugins.library.blobs), SQLite 3.26.0, threadsafe=1
Mar 22, 2019 09:22:14.441 [2296] INFO - SQLITE3:0xa2d02060, 283, recovered 17 frames from WAL file C:\Users\Ray\AppData\Local\Plex Media Server\Plug-in Support\Databases\com.plexapp.plugins.library.blobs.db-wal
Mar 22, 2019 09:22:14.446 [2296] DEBUG - Running migrations. (EPG 0)
Mar 22, 2019 09:22:14.448 [14356] DEBUG - Codecs: Downloading current version of aac decoder
Mar 22, 2019 09:22:14.448 [14356] INFO - CodecManager: obtaining decoder ‘aac’
Mar 22, 2019 09:22:14.450 [14356] DEBUG - Relay: read 36 cached entries from hosts file
Mar 22, 2019 09:22:14.450 [14356] DEBUG - HTTP requesting GET https://plex.tv/api/codecs/aac_decoder?build=windows-x86-standard&deviceId=881229b5-caed-4f2d-a407-e7d58af23223&oldestPreviousVersion=legacy&version=a22632d-2131
Mar 22, 2019 09:22:15.543 [2296] DEBUG - CERT: Installed certificate with fingerprint ac:cd:8b:d8:ef:6d:dd:61:85:7e:29:77:3e:40:68:45:d7:b6:25:b2.
Mar 22, 2019 09:22:15.543 [2296] DEBUG - CERT: Installed new private key.
Mar 22, 2019 09:22:15.543 [2296] DEBUG - CERT: Subject name is /C=US/ST=California/L=Los Gatos/O=Plex, Inc./CN=*.15486aab47de4c7f920bb69cb49816ac.plex.direct
Mar 22, 2019 09:22:15.544 [2296] DEBUG - CERT: OCSP requests for stapling will be made to ‘http://ocspx.digicert.com/’.
Mar 22, 2019 09:22:15.545 [2296] INFO - OCSP: Successfully retrieved response from cache.
Mar 22, 2019 09:22:15.545 [2296] DEBUG - CERT: Installed intermediate certificate.
Mar 22, 2019 09:22:15.546 [2296] ERROR - HttpServer: Error binding acceptor: An attempt was made to access a socket in a way forbidden by its access permissions
Mar 22, 2019 09:22:15.547 [2296] ERROR - Error: Unable to set up server: listen: An attempt was made to access a socket in a way forbidden by its access permissions (class boost::exception_detail::clone_impl<struct boost::exception_detail::error_info_injector >)

2

Is this machine running Torrent software? A necessary port number might be blocked by it, so Plex cannot run.

3

No Torrent software.

I ran the netstat cmd and here are the first few lines (192.168.1.110 is my windows machine IP):

Active Connections

Proto Local Address Foreign Address State
TCP 127.0.0.1:38080 HPdesktop:56386 ESTABLISHED
TCP 127.0.0.1:38080 HPdesktop:65113 ESTABLISHED
TCP 127.0.0.1:38080 HPdesktop:65346 TIME_WAIT
TCP 127.0.0.1:49636 HPdesktop:49638 ESTABLISHED
TCP 127.0.0.1:49638 HPdesktop:49636 ESTABLISHED
TCP 127.0.0.1:49881 HPdesktop:49883 ESTABLISHED
TCP 127.0.0.1:49883 HPdesktop:49881 ESTABLISHED
TCP 127.0.0.1:50941 HPdesktop:38080 TIME_WAIT
TCP 127.0.0.1:50942 HPdesktop:38080 TIME_WAIT
TCP 127.0.0.1:56386 HPdesktop:38080 ESTABLISHED
TCP 127.0.0.1:61879 HPdesktop:61881 ESTABLISHED
TCP 127.0.0.1:61881 HPdesktop:61879 ESTABLISHED
TCP 127.0.0.1:61899 HPdesktop:61900 ESTABLISHED
TCP 127.0.0.1:61900 HPdesktop:61899 ESTABLISHED
TCP 127.0.0.1:65113 HPdesktop:38080 ESTABLISHED
TCP 127.0.0.1:65142 HPdesktop:38080 TIME_WAIT
TCP 127.0.0.1:65143 HPdesktop:38080 TIME_WAIT
TCP 192.168.1.110:32400 HPdesktop:49152 TIME_WAIT
TCP 192.168.1.110:32400 HPdesktop:49153 TIME_WAIT
TCP 192.168.1.110:32400 HPdesktop:49154 TIME_WAIT
TCP 192.168.1.110:32400 HPdesktop:49156 TIME_WAIT
TCP 192.168.1.110:32400 HPdesktop:49157 TIME_WAIT
TCP 192.168.1.110:32400 HPdesktop:49158 TIME_WAIT
TCP 192.168.1.110:32400 HPdesktop:49159 TIME_WAIT
TCP 192.168.1.110:32400 HPdesktop:49160 TIME_WAIT
TCP 192.168.1.110:32400 HPdesktop:49161 TIME_WAIT
TCP 192.168.1.110:32400 HPdesktop:49162 TIME_WAIT
TCP 192.168.1.110:32400 HPdesktop:49163 TIME_WAIT
TCP 192.168.1.110:32400 HPdesktop:49164 TIME_WAIT
TCP 192.168.1.110:32400 HPdesktop:49165 TIME_WAIT…

4

Was this while Plex server was running?
Do you have several Windows user accounts on this machine?

5

The Plex Icon was not in the tray and did not show up in the Task Manager. Only one user.

6

Then you can clearly see that some process is hogging port 32400, which is the main Plex port.
You need to find out, which process that is. (and stop it)

7

The process using the port is PID 0 or windows. Looks like windows takes over when a process quits and ‘waits’ for a while. I can’t kill that process and rebooting doesn’t seem to help.

9

Try a “thorough” Windows reboot:
open the command line (cmd.exe) and put shutdown.exe /g /t 0 +Enter

10

Didn’t even know about the ‘full shutdown’, unfortunately it didn’t help. There is a new line at the end of my Plex log file:

Mar 22, 2019 13:35:42.098 [11200] INFO - Plex Media Server v1.15.2.793-782228f99 - Microsoft PC x64 - build: windows-x86 windows - GMT -04:00
Mar 22, 2019 13:35:42.098 [11200] INFO - Windows version: 10.0 (Build 17134), language en-US
Mar 22, 2019 13:35:42.099 [11200] INFO - 4 3093 MHz processor(s): Architecture=0, Level=6, Revision=10759 Processor Identifier=Intel64 Family 6 Model 42 Stepping 7, GenuineIntel
Mar 22, 2019 13:35:42.099 [11200] DEBUG - “C:\Program Files (x86)\Plex\Plex Media Server\Plex Media Server.exe”
Mar 22, 2019 13:35:48.276 [10896] DEBUG - Plex for Windows Store application is not installed
Mar 22, 2019 13:35:48.278 [10896] DEBUG - BPQ: [Idle] -> [Starting]
Mar 22, 2019 13:35:51.088 [10332] DEBUG - Job running: C:\Program Files (x86)\Plex\Plex Media Server\CrashUploader.exe “–directory=C:\Users\Ray\AppData\Local\Plex Media Server\Crash Reports\1.15.2.793-782228f99” --version=1.15.2.793-782228f99 --platform=Windows “–platformVersion=10.0 (Build 17134)” --serverUuid=4a2116cfd6cf3a169157c6aeb814429d85272065 --userId=NOUSERID --sentryUrl=https://sentry.io/api/1233455/minidump --sentryKey=xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx --vendor=Microsoft --model=x64 --device=PC
Mar 22, 2019 13:35:51.657 [10896] WARN - IsFileWritable: failed to remove temporary file ‘“C:\Users\Ray\AppData\Local\Plex Media Server\Cache\ac3d2213-b96a-45b0-8dde-e74bec73d173”’: boost::filesystem::remove: The process cannot access the file because it is being used by another process: “C:\Users\Ray\AppData\Local\Plex Media Server\Cache\ac3d2213-b96a-45b0-8dde-e74bec73d173”
Mar 22, 2019 13:35:52.502 [10896] DEBUG - FeatureManager: Using cached data for features list
Mar 22, 2019 13:35:53.008 [10332] DEBUG - Jobs: Starting child process with pid 10840
Mar 22, 2019 13:35:59.476 [10896] DEBUG - Opening 20 database sessions to library (com.plexapp.plugins.library), SQLite 3.26.0, threadsafe=1
Mar 22, 2019 13:36:03.617 [11164] DEBUG - Jobs: ‘C:\Program Files (x86)\Plex\Plex Media Server\CrashUploader.exe’ exit code for process 10840 is 0 (success)
Mar 22, 2019 13:36:10.648 [10896] INFO - SQLITE3:0x2e42f606, 283, recovered 17 frames from WAL file C:\Users\Ray\AppData\Local\Plex Media Server\Plug-in Support\Databases\com.plexapp.plugins.library.db-wal
Mar 22, 2019 13:36:14.183 [10896] DEBUG - Running migrations. (EPG 0)
Mar 22, 2019 13:37:48.317 [10900] DEBUG - BPQ: [Starting] -> [Processing]
Mar 22, 2019 13:37:53.833 [10900] DEBUG - BPQ: generating queue items from 1 generator(s)
Mar 22, 2019 13:37:53.880 [10900] DEBUG - BPQ: generated 0 item(s) for queue
Mar 22, 2019 13:37:54.184 [10900] DEBUG - PlayQueue: 0 generated IDs compressed down to a 2 byte blob.
Mar 22, 2019 13:37:54.184 [10900] DEBUG - PlayQueue: 0 generated IDs compressed down to a 2 byte blob.
Mar 22, 2019 13:37:54.760 [10900] DEBUG - BPQ: [Processing] -> [Idle]
Mar 22, 2019 13:42:15.771 [10896] DEBUG - ChangestampAllocator: initialized to 1773304
Mar 22, 2019 13:42:15.883 [10896] DEBUG - Opening 2 database sessions to library (com.plexapp.plugins.library.blobs), SQLite 3.26.0, threadsafe=1
Mar 22, 2019 13:42:16.104 [10896] INFO - SQLITE3:0x2e42f606, 283, recovered 17 frames from WAL file C:\Users\Ray\AppData\Local\Plex Media Server\Plug-in Support\Databases\com.plexapp.plugins.library.blobs.db-wal
Mar 22, 2019 13:42:17.392 [10896] DEBUG - Running migrations. (EPG 0)
Mar 22, 2019 13:42:18.454 [14552] DEBUG - Codecs: Downloading current version of aac decoder
Mar 22, 2019 13:42:18.549 [14552] INFO - CodecManager: obtaining decoder ‘aac’
Mar 22, 2019 13:42:19.554 [14552] DEBUG - Relay: read 36 cached entries from hosts file
Mar 22, 2019 13:42:19.656 [14552] DEBUG - HTTP requesting GET https://plex.tv/api/codecs/aac_decoder?build=windows-x86-standard&deviceId=881229b5-caed-4f2d-a407-e7d58af23223&oldestPreviousVersion=1.15.2.793-782228f99&version=a22632d-2131
Mar 22, 2019 13:42:20.893 [10896] ERROR - HttpServer: Error binding acceptor: An attempt was made to access a socket in a way forbidden by its access permissions
Mar 22, 2019 13:42:21.496 [10896] ERROR - Error: Unable to set up server: listen: An attempt was made to access a socket in a way forbidden by its access permissions (class boost::exception_detail::clone_impl<struct boost::exception_detail::error_info_injector >)
Mar 22, 2019 13:42:21.519 [14552] DEBUG - HTTP 200 response from GET https://plex.tv/api/codecs/aac_decoder?build=windows-x86-standard&deviceId=881229b5-caed-4f2d-a407-e7d58af23223&oldestPreviousVersion=1.15.2.793-782228f99&version=a22632d-2131

11

The netstat command parameters that are needed are -a -b -n

So please run netstat again - must be in an elevated command line window. So Start / Run / cmd and right click and select Run As Administrator and then in the command line window, type the command

netstat -a -b -n > "%LocalAppData%\netstat_2019-Mar-22a.txt"

Then attach the file "%LocalAppData%\netstat_2019-Mar-22a.txt"

12

netstat_2019-Mar-22a.txt (15.4 KB)

Plex Media Server.log (2.6 KB)

13

Just tried:

Uninstallining Plex
Wiping a boatload of Plex registry settings
Full restore of the PMS folder (C:\Users\Ray\AppData\Local\Plex Media Server) from last night.
Full shutdown using Shift+shutdown
Reinstall using package from last month in PMS folder 15.1.710…

Same forbidden socket error in log file.

Going to try deleting the Plex folder under Program Files and do a reinstall.
Another fail. Same problem.

14

TCP 0.0.0.0:32400 0.0.0.0:0 LISTENING
iphlpsvc

What is this IP Helper Service listening on 32400?

1 Like
15

Don’t understand why you were doing this when such an issue is normally caused by another application

1 Like
16

[/quote]

Don’t understand why you were doing this when such an issue is normally caused by another application
[/quote]

Because I had no idea what else to do. Your previous post pointed out what the problem was. Windows was running IP helper service for IPv6 support. The last windows update must have activated it. Great catch!

I stopped the service and all seems to be well with PMS!

1 Like
17

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