Brand new encoding problem- Web Media Extensions update

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Dymk

New Member
Hi,
I have a brand new problem and I need your help.
Yesterday I was streaming for 3 hours and everything was fine, no problems whatsoever.
Today I started my stream like always, without changes in software or hardware BUT I had encoding issues and my stream was lagging pretty hard. I dropped many frames and had 100% usage in 3D load. I started digging and the problem was with background scenes with short MP4 files- with 2 scenes on i had almost 80% of 3D usage! But something had to trigger this and I'm still looking for the solution. I managed to find one Microsoft update that took place between my 2 streams and this could be it. Microsoft Store program Web Media Extensions got updated to 1.0.40831.0 version. This is the only program that got updated during this time, so I guess this could be the case?
Link to this- https://www.microsoft.com/en-us/p/web-media-extensions/9n5tdp8vcmhs?activetab=pivot:overviewtab

How I fixed the issue- turned of 'use hardware decoding when possible' in all my MP4 files and it's working normal again, but what triggered this? Is this really this small update?
Log's included. Thank you for help.
 

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Hi,
It's me again. I did some testing and it looks like it's probably caused by yesterdays Web Media Extensions update. I've uninstalled this program, updated video drivers and installed new Windows Update KB5001330. Everything is like it used to be and it doesn't matter if hardware decoding is on or off. Looks like Web Media Extensions 1.0.40831.0 triggered this issue in my case.
Is this possible someone can verify my logs and if this is possible that this program made this mess?
Thanks!
 
Nevermind, the issue is still here... I thought it's fixed, but it's working bad again. Trying to find a solution.
 
I have got the same problems since a week. Nothing changed and from one day to another a huge 3D load from obs came up without changes in the system. Only Windows Updates. First I thought, it was obs 27 what causes the problems but I reinstalled 26 and had the same problems. Then I uninstalled the Windows Update KB5001330 but that didn't fix the problem.
I still have a gpu load of 34% in a scene only with a logitech c920 in it. In some cases the gpu load went up to 60% ony for obs.
The gpu load varies a lot.
There was another windows update (Servicing Stack 10.0.19041.925) but it is not possible to uninstall this one. Maybe that causes the problems.
Maybe the log file will help.
 

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@HardyDigital Create a new scene collection with just the 1 default scene and 1 video capture device source and restart OBS. What is the GPU load then? (don't have any other programs open, just OBS.)
 
@qhobbes I followed your tip and it's the same. New scene collection, only one scene with the webcam and the 3D gpu load went up to 36%.
I found out, that nvidia even know this problem with performance issues with the new microsoft updates. They recommend to uninstall the ms update (I've done that) and install older drivers (I've done that too) and for me that doesn't work.
The update seems to cause problems even with other programs like chrome. I had only one tab with a youtube video running. That should only raise the video decode from the graphicscard but it still raises the 3D load up to 30%.
I'm thinking about to clean my pc and set up a clean windows install. But I think it won't fix my problem. It's a frustrating situation. :-/
 
HardyDigital said:
@qhobbes I followed your tip and it's the same. New scene collection, only one scene with the webcam and the 3D gpu load went up to 36%.
I found out, that nvidia even know this problem with performance issues with the new microsoft updates. They recommend to uninstall the ms update (I've done that) and install older drivers (I've done that too) and for me that doesn't work.
The update seems to cause problems even with other programs like chrome. I had only one tab with a youtube video running. That should only raise the video decode from the graphicscard but it still raises the 3D load up to 30%.
I'm thinking about to clean my pc and set up a clean windows install. But I think it won't fix my problem. It's a frustrating situation. :-/
Click to expand...
I can confirm this problem still exists. I dont understand the logic behind this, but sometimes OBS runs as 'video decoding' and its fine, but when it runs '3D' in task manager its lagging with 80% load with two MP4 files. I dont know how to fix this, but seems like reinstalling OBS (with logs etc) helps and fix this for a while. But the problem comes back. Im still looking.
 
Can someone take a look and help, please? I don't know how to fix this. Yesterday it was fine, today its working bad again...
 
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