Desktop Window Manager or dwm.exe is a Windows Service that is responsible for managing, inter alia, visual effects on the desktop. DWM.exe helps with rendering visual effects on the desktop as well as with various features such as glass window frames, 3-D window transition animations, high-resolution support and so on.

Desktop Window Manager helps writes each picture on the Windows to a place in the memory and creates a combined view of all of them on the screen and sends it to the display. This way, the operating system can use Hardware Acceleration to create smooth animations.

The file which represents the Desktop Window Manager service is dwn.exe. It usually occupies 50-100 MB of memory and around 2-3%CPU – but it all depends on your system. Is a large number of windows and animated processes are open, it will use high memory, and thus consequently slow down the system or cause freezes. If you face problems with dwm.exe, here are a few things you could try:

1] Disable screensaver

2] Run the Performance Troubleshooter

3] Adjust the system for best performance

4] Switch to the Basic Theme

5] Update display drivers

6] Update all installed software

7] Scan PC with antivirus software

8] Troubleshoot in Clean Boot State

9] Use Xperf

Read more on https://www.thewindowsclub.com/desktop-window-manager-dwm-exe

Please take the opportunity to connect and share this video with your friends and family if you find it useful.