Desktop Window Manager dwm exe: Does it eat deep into Window CPU and RAM?


What Is Desktop Window Manager dwm exe

Desktop Window Manager DWM exe previously Desktop Compositing Engine or DCE) is the window manager in Windows Vista, Windows 7, Windows 8 and Windows 10 that make use hardware acceleration to render the graphical user interface of Windows(transparent windows, live taskbar thumbnails, Flip3D)

The Desktop Window Manager dwm exe is very important part of very window that cannot be prevented from running. It ensures that effects such as transparency, 3D window switching and more.

Read Also:How To Make Sure Your Antivirus Software Is Working Well

To access the Desktop window manager dwm exe type task manager on the search bar of your window device and scroll down to Desktop window manager. There are various processes contained on the dwm exe like ctfmon.exe, mDNSResponder.exe, conhost.exe, rundll32.exe, Adobe_Updater.exe, and many others.

Can Desktop Window Manager be turned Off?

(dwm.exe)  cannot be turned off starting from window 7 because it now an integral part of window responsible for creating graphical user interface but in Window Vista it could be turned off because it was controlled through a service that can be deactivated.

Does (dwm.exe) uses lots RAM and CPU?

In most case, Desktop Window Manager does not consume much RAM and CPU even if you are running lots of apps on your system. From my screenshot, it takes 4.2% of CPU and less than 30MB of RAM. Meanwhile I haven’t shut down for about three days now. When the CPU level is very high it can make your system to scratch frequently especially when using chrome with tabs opened.

How to Keep the CPU and RAM Consumption of DWM low

If you notice that Desktop Window Manager is eating too much of RAM and CPU follow the below steps to make normal.

  • Update hardware drivers like video card or integrated graphics adapter drivers.
  • Check if DWM has been hijacked by virus.

Here I will show you how to check if it has been hijacked by malware.

  • Go to Task Manager, right-click on the Desktop Window Manager process.
  • Then select the “Option File Location” option.

If the DWM file is stored in System32 folder, then it’s not been attacked by Virus. To be on the saver side , always scan your system for virus.


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