In the Performance Options window, click Adjust for best performance and click OK.ĭWM is not a virus. Then click Adjust the appearance and performance of Windows. The best way to do this is to go into Control Panel and type "performance" into the search box.
You may need to optimize Windows for better performance. Desktop Window Manager is designed to offload any heavy duty graphics processing onto the GPU alleviating the CPU's workload. Update your Graphics card drivers or the drivers for your on-board graphics if your computer doesn't have a dedicated graphics card. If however Desktop Window Manager is consuming more resources than you'd like, then there's a couple of things that you can try: It may go a little higher at times, but generally it will settle back down to that level again. I'm also running Intellij and Microsoft Word.Įven with all these apps open, the Desktop Window Manager is using just 0.4% CPU and 45.1 MB, so it's very light on resources. I've got several Chrome windows open, each of which is a new process. To be honest, the Desktop Window Manager uses minimal resources. Now because DWM has access to the graphics of all applications, it can easily add special effects to all windows such as transparency and window animations. DWM then uses the contents of this memory to render an image on your display. Instead of drawing directly to the screen like in previous versions of Windows, each program that has a User Interface on your computer writes to a special (off-screen) part of video memory. The Desktop Window Manager was first introduced in Windows Vista and changed the way applications displayed pixels on the screen. You know those pretty animations, transparent windows and visual effects in Windows? Well the Desktop Window Manager is responsible for rendering all these effects and more. The Desktop Window Manager (or it's executable name dwm.exe) is pretty essential to Windows. I'm going to explain what it is, why it needs to run and address some of the myths around its safety. Have you ever opened up the Windows Task Manager and noticed a process running called dwm.exe in Windows 10 and wondered what it is and why it's running? 
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