- The Desktop Window Manager high memory issue may be caused by a recent Intel driver bug.
- If Desktop Window Manager is consuming too many resources, that can cause black screens or software crashes.
- A workaround for stopping Desktop Window Manager to consume too much memory is to restart a Windows process as indicated below.
- Another good solution is by updating your drivers with a third-party tool recommended below.
Desktop Window Manager (dwm.exe) is a window manager that is responsible for the Windows 10 graphics effects like the Flip3D and the transparent windows or the live taskbar thumbnails.
It’s a regular process that you will find in the Windows Task Manager running smoothly most of the time.
However, sometimes, this can go wrong and start consuming too many resources, causing black screen errors or software crashes.
Here is how a user complains on Reddit:
Windows Process, Desktop Window Manager uses incredible amounts of resources after a few hours of computer usage; causes black screens and software crashes.
It’s obviously a serious matter and although it doesn’t have an official answer yet, another user points out that is caused by a recent Intel driver bug.
How do I fix the Desktop Window Manager high memory use?
1. Restart File Explorer from Task Manager
- Right-click on a free space from your taskbar and select Task Manager.
- Locate the Windows Explorer process and click on the Restart button from the lower right part of your screen.
This is only a workaround described by one of the users who were confronted with the same problem but if it worked for him, it’s worth giving it a try.
2. Update or roll back the Intel graphics driver
- Right-click the Start button and select Device Manager.
- Expand the Display adapter, right-click on your graphics driver and select Update from the menu.
- Select the top option, Search automatically for drivers.
- If you get a message The best drivers for your device are allready installed, you can also go to the manufacturer’s website and check if they have a new one for your GPU.
- You can also click on the Search for updated drivers on Windows Update option that will bring you to the Windows Updates section.
- Click on the Optional updates option and look for any driver updates.
We totally understand if this driver update process gives you a little bit of a headache. However, there is a faster and more convenient way of updating your drivers by using a dedicated, third-party software.
The solution recommended below will update and fix all your drivers, not only the graphics driver, in a sigle shot, automatically and effortlessly.
- Download and install DriverFix.
- Launch the software.
- Wait for DriverFix to detect all your faulty drivers.
- The application will now show you all the drivers that have issues, and you just need to select the ones you’d liked fixed.
- Wait for the app to download and install the newest drivers.
- Restart your PC for the changes to take effect.
DriverFixKeep you GPU on the peaks of their performance without worrying about its drivers.
Hopefully, by applying these solutions you will be able to fix the Desktop Window Manager high memory issue.
If Desktop Window Manager has stopped working and closed, we have an excellent guide to fix that problem too.
If you know any other viable solutions, leave them in the comments section so everybody can benefit from that knowledge.