Windows 10: Desktop Windows Manager taking up absurd amounts of RAM after i updated to 20H2. Any idea why?

submitted by /u/XturaThiccu
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:)

 

Desktop Window Manager using an absurd amount of memory.

After updating to the Anniversary update i have noticed an absurd amount of memory usage by Desktop Window Manager.

I'm running Windows 10 Home x64 Anniversary edition on the following system.

Intel i7-3820i @3.66GHz

16GB Corsair Ram

128GB SSD

2TB HDD

3TB HDD

Nvidia Geforce 980GTX Ti.

I normally play a resource-heavy game and that's when the problem appears the most.

Every time i open an application Desktop Window Manager uses more memory. As it should.

But it never seems to release the memory whenever i exit applications.

When i play the game (Football Manager 2016) the usage of memory by dwm.exe skyrockets.

Just an hour ago it was using 4.2GB of memory. Before the update it was nowhere near that level.

In total it was using 62% of my memory. Whereas before the update the same total usage was never over 42%

Now dwm.exe alone have been using 25% of my total memory.

Something's not right about this. Whether it's something to do with the update itself or whether it's a 3rd party conflict is hard to say.

I did get in touch with a couple of techs but we didn't solve anything.

At the moment, if i'm going to do what i do every day, i need to restart the computer at least a couple of times a day.

Before the update i could leave it on for days at a time without ever having a problem.

Question is straight forward.

Why is dwm.exe hogging so much memory? And why doesn't it release the memory when exiting the applications?

 

Desktop Window Manager using an absurd amount of memory.

Hi Roy,

I would be happy to assist you. And I regret the incontinence you are facing with the Windows 10.

I suggest you to run the System maintenance troubleshooter and check if the issue still persist.

Run System Maintenance Troubleshooter.

System Maintenance troubleshooter finds and clean up unused files and shortcuts and performs maintenance tasks.

Follow the steps given below:

• 
  Type Troubleshooting in the Search box from the desktop.
  
• 
  Select the Troubleshooting option.
  
• 
  Select View All option and select the System Maintenance.
  
• 
  Click on Next to perform the System Maintenance troubleshooter and follow the steps.
  

Also, refer the Windows performance recorder article given by

ZigZag3143 (MS -MVP)

Windows performance recorder

Hope this information was helpful and do let us know if you need further assistance. We will be glad to assist.

Thank you.

 

System (ntoskrnl.exe) using an absurd amount of memory

Process ntoskrnl.exe, listed as System on Task Manager has been using a lot of memory.



(Please don't mind the Portuguese...)

I've tried the following:

• Update all drives
• Run Malware Bytes
• Run AntiSpyware
• Increase/decrease the amount of virtual memory (paging)

These actions reduced the usage for a while, but it always comes back...

My PC:

Ultrabook Lenovo S400u

Windows 10

4 GB RAM

Intel i5 1.7GHz

Any ideas on how to fix this permanently?