Desktop Window Manager (dwm.exe) is using High RAM or High CPU - How to solve it ?

How to Fix Desktop Window Manager (dwm.exe) from using high RAM or High CPU

Steps to fix dwm.exe from using high RAM or CPU:

Method#1:

Remove Screen Saver:

Go to Settings---Personalization---Lock Screen---Screen saver settings and keep screen saver as none

Method#2:

Go to Settings---Privacy---Background Apps---Turn off  background apps which is not necessary for you

Method#3:

Update your Graphics Drivers [Intel, NVIDIA] or [AMD]

Method#4:

If your windows 10 may have some missing operating system files, Perform Deployment Image Servicing and Management (DISM) tasks using command prompt for Windows 10 Health

Open cmd [Run as administrator] and perform a commands shown below

Dism /Online /Cleanup-Image /CheckHealth

Dism /Online /Cleanup-Image /ScanHealth

Dism /Online /Cleanup-Image /RestoreHealth

Method#5:

Open cmd [Run as administrator] and perform a command shown below

SFC/SCANNOW

System File Checker is a utility in Microsoft Windows that allows users to scan and restore corrupted Windows system files.

Method#6:

Perform a task of windows update diagnostic troubleshooting

Open cmd [Run as administrator] and perform a command shown below

msdt.exe /id WindowsUpdateDiagnostic

Lastly Restart your computer....

Note: I faced this issue on 30 Sep 2020

Finally solved, shown image