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[Conrad]

I'm having an issue with MC32 whereby it crashes periodically while watching movies.
It'll run for a long time (1:30 or so last night) but then it'll just crash with frozen screen and looping audio. Once it crashes it seems to do it every 20 minutes or so after a restart.

I've tried with MadVR (my usual renderer) and with JRVR with no plugins and the behavior is the same. It also does it when I set my audio output to NULL.
I also copied the video file locally and ran it from the internal SSD and it still crashed. Both the client and the server are on wired gigabit connections.

To be clear, it's not a single video file, once the issue starts it appears on each video file that I try it with. It also isn't the same place in any video file as I'm able to restart the video, play through the section that crashed before and then continue for about 20 minutes.

In the event log of the client I have the following message (always the same):

Code: [Select]

Faulting application name: Media Center 32.exe, version: 32.0.58.0, time stamp: 0x667ac0e7
Faulting module name: ntdll.dll, version: 10.0.22621.3858, time stamp: 0x67ca8829
Exception code: 0xc0000374
Fault offset: 0x000000000010c8f9
Faulting process ID: 0x0x8B28
Faulting application start time: 0x0x1DACAC402216744
Faulting application path: C:\Program Files\J River\Media Center 32\Media Center 32.exe
Faulting module path: C:\Windows\SYSTEM32\ntdll.dll
Report ID: 70eb4ff8-bc5a-4874-94a2-db6bd0897e1d
Faulting package full name:
Faulting package-relative application ID:
And I've attached my log file with a crash in it. I'm not sure whether the audio errors at the end of the log are the cause or a symptom.

I'm assuming it's not a JRiver issue, but I can't see anything obvious in the log that would point me to the issue so any advice would be appreciated.

It started happening a week or so ago and I reinstalled JRiver and that seemed to stop it. Windows and my Nvidia drivers have since been updated and now it's happening again. They may be related but that process has been going on for years and hasn't needed a reinstall with each update.

[Awesome Donkey]

A ntdll.dll crash... by chance, are you using Bitdefender?

[Conrad]

I'm not, no.

That error looks like it's a generic windows heap error (which I don't really understand) but can apparently be caused by faulty memory.
I've done a Memtest from a USB stick and my ram comes back clean.

[Awesome Donkey]

I asked because ntdll.dll crashes in the past were caused by Bitdefender doing DLL injection on certain apps (like MC) causing them to go unstable and/or crash. I suppose it *could* potentially happen with other antivirus/antimalware or related apps so that could be something to keep in mind if you're using any though I'm not familiar with any others besides Bitdefender that do this.

[Conrad]

Thanks. I'm not running anything other than windows defender. However, your post did remind me that there's a bunch of settings that can be applied to defender which might make it ignore JRiver a bit more. I don't know if they're still needed, but I've added them anyway.