Should you be worried about the Dwm.exe process running on your PC?
If you have already come across this article, you are probably looking for some information on this strange Dwm.exe process that is running in your Task Manager. Because this executable “eats up” quite a lot of memory and this number is unstable, the users look at it with suspicion and sometimes even speculate on it being an indicator of malware infection. In reality, there is no need to worry. This process is not malicious, and your computer is probably not infected with any viruses or potentially unwanted programs. To break any potential misconceptions, we should inform you that Dwm.exe is a legitimate Windows file, also known as Desktop Window Manager (DWM). This file can be found in Windows Vista, Windows 7 and other Windows systems. Basically, this process belongs to the desktop graphical user interface and is responsible for enabling the Windows Aero graphical user interface and visual theme. In other words, it is responsible for the graphical effects, such as live window previews and a glass-like frame around windows.
There is an explanation for the changing amount of memory this application uses, too. Since this process is responsible for visualizing window previews, the more of the windows are open — the more memory the DWM process will consume. Naturally, if you cram your system with tens of opened windows, the Task Manager will indicate a much greater use of memory. Of course, you should not forget that any malware can be named anything and Dwm.exe is not an exception. If you found this process located in other, not in the C:\Windows\System32 folder, check it with the help of Reimage.
How can this file appear on my PC?
Normally, Dwm.exe comes with the OS. You do not need to install it additionally since it is integrated into the system’s setup. However, as we have already mentioned, a malware may be hiding on your system under an identical title. Adware, browser hijacker or other potentially unwanted programs (PUPs) may stealthily infect and run on your PC without you even suspecting it. That is why we recommend scanning your computer with specialized anti-malware software regularly. Since most PUPs enter computers together with regular programs, you should always check the software packages for undesirable components.
How should you stop the Dwm.exe process from running on your PC?
Typically, the amount of memory this file uses does not cause any inconveniences, so the Dwm.exe removal is not necessary. However, if you still wish to end this process you should disable Windows Aero Glass or follow these steps:
- Click Start and find Start Search box.
- Here, type services and click the Services link.
- As soon as Services Window shows up, locate and double-click Desktop Windows Manager.
- Here, click Stop to disable the service.
If you suspect something suspicious about the DWM process, do not hesitate to scan your PC with an anti-malware program and hopefully remove Dwm.exe impostor from your PC.