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Question Video playback stutters after a few minutes

S

shabby

Diamond Member
Strange issues i'm having for the last month or so, when watching youtube or a movie through vlc player the video starts to stutter after a few minutes. If i move the mouse or pause the video it fixes itself but a few minutes later the issue comes back. Any thoughts? 5600x + r9 380 gpu + win10, no new drivers for the video card available.
 
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Look in task mgr (processes tab) at cpu utilization when it happens, sorted by process to see if any are the cause.

I can only assume that with VLC you are watching content already on your own network so it's not a buffering issue, unless it's over wifi and that's the weak link? I doubt it since you reported the mousing and pausing fixes it. You wouldn't happen to be using Chrome browser (or even not using since it by default does this even after it is closed) and it's doing background scanning? I had to do a half dozen different things to stop chrome from that.
 
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Ok so after 90 seconds of not moving the mouse the Antimalware Service Executable process hits 10% cpu usage and then disappears after a few seconds and Shell Infrastructure Host process goes up to 20% cpu usage and 3-4 gigs of memory usage, moving the mouse makes it disappear. This happens with no browsers/vlc running either so the stuttering video i get just seems to be a side effect of the cpu/memory usage.
Googled the issue but can't find any concrete solution other than reset windows.
 
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You might try to remove your antimalware software, rebooting, then reinstalling it. It also wouldn't be bad idea to run a check for file system corruption as well.
 
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Steltek said:
You might try to remove your antimalware software, rebooting, then reinstalling it. It also wouldn't be bad idea to run a check for file system corruption as well.
Click to expand...
Can't remove windows defender, i disabled real time protection but the shell infrastructure process still popped up. I ran sfc and dism and it found some issues and fixed them but the sihost issue still persists.
 
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I might think about a google search for disable defender sihost, or something. 😉

Then again Defender is good for being free... depends on your risk level, personally I don't need it because my only real point of entry/infection is browser and I've hardened mine, plus partition backups so if the theoretical Bad Thing happened, can just nuke it from orbit.
 
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Have you tried opening Task Manager and seeing how much your GPU is working? Maybe that is the issue. Can you try disabling the GPU's video decoding and just use CPU?
 
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Google says a temporary fix is to open resmon (search and it will appear in start menu), then suspend sihost.exe.

You could also try:

SFC /scannow
Repair-WindowsImage -Online -RestoreHealth
 
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OlyAR15 said:
Have you tried opening Task Manager and seeing how much your GPU is working? Maybe that is the issue. Can you try disabling the GPU's video decoding and just use CPU?
Click to expand...

Good idea, look at the memory usage its pegged full. And as soon as i move the mouse it drops to almost nothing, and i'm not even doing or watching anything. Where do i disable video decoding?

gpu1.jpggpu2.jpg



igor_kavinski said:
Google says a temporary fix is to open resmon (search and it will appear in start menu), then suspend sihost.exe.

You could also try:

SFC /scannow
Repair-WindowsImage -Online -RestoreHealth
Click to expand...
I tried resmon and it shows smhost.exe as the culprit not sihost, but the description is correct as shell infrastructure host. But when the cpu usage goes up and i hover over it i cant right click and suspend the process because it gets terminated.
I tried sfc yesterday and it fixed some thing, but not this issue.
 
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That's odd that it is using so much VRAM. Not sure what is going on there. For VLC, go to Preferences, then Input/Codecs, then at the top, set Hardware-accelerated decoding to Disabled. Not sure how to disable it in Youtube, probably have to go into the browser settings.
 
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Some powershell script is probably running in the background. Not sure why Microsoft would let powershell have the ability to do work on the gpu.

appuals.com

Resolve High CPU Usage caused by Windows PowerShell on Windows 10

Windows PowerShell process may cause high CPU usage in Windows 10 if the Windows of your system is outdated. Moreover, different conflicting applications
appuals.com appuals.com

There's a command there to stop all powershell processes:
while ($true) {Get-Process PowerShell | Where-Object {$_.ID -notcontains $PID} | Stop-Process -Force}
 
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