What is wdfmgr.exe?

The .exe extension on a filename indicates an executable file. Executable files may, in some cases, harm your computer. Therefore, please read below to decide for yourself whether the wdfmgr.exe on your computer is a Trojan that you should remove, or whether it is a file belonging to the Windows operating system or to a trusted application.

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Wdfmgr.exe file information

Windows Task Manager with wdfmgr
Wdfmgr.exe process in Windows Task Manager

The process known as Windows User Mode Driver Manager belongs to software Microsoft Windows Operating System or Windows User Mode Driver Framework by Microsoft (

Description: Wdfmgr.exe is not essential for Windows and will often cause problems. The wdfmgr.exe file is located in the C:\Windows\System32 folder. Known file sizes on Windows 10/8/7/XP are 38,912 bytes (98% of all occurrences), 55,808 bytes and 14 more variants. 
The program is not visible. The wdfmgr.exe file is not a Windows core file. Wdfmgr.exe is a Microsoft signed file. Therefore the technical security rating is 19% dangerous, however you should also read the user reviews.

Uninstalling this variant: You can uninstall the program Windows Media Player, update it, or ask Customer Support for help. Go to to update it, go to for support, or go to Windows Media Player in Windows Control Panel (Software or Programs section) to uninstall it.

Recommended: Identify wdfmgr.exe related errors

Important: Some malware disguises itself as wdfmgr.exe, particularly when not located in the C:\Windows\System32 folder. Therefore, you should check the wdfmgr.exe process on your PC to see if it is a threat. We recommend Security Task Manager for verifying your computer's security. This was one of the Top Download Picks of The Washington Post and PC World.


User Comments

UniBlue SpeedUpMyPC recommends disabling this TSR on my XP(SP3). I have (for various reasons) only WMP 9, so this file seems irrelevant, even though the name suggest a more general driver application. Other sources suggest it is a common virus target. Gonna disable it, see what happens.
  Tony Patriarche  
Mine was as said above part of WD Western Digital drive software install started from their smart ware software and it hogs memory and cpu usually during start up. I uninstalled smart ware and not that problem is gone.
  zxylene   (further information)
Suddenly appeared after plugging in as 16 mb Sandisk flash drive
it showed up in my processes and wasnt there before. Did get it deleted but was tricky.
can cause BSOD, in windows 7
after a suspect java applet (later found to be infected) launched WMP without my consent to play a url I noticed this process along with WLIDSVC.EXE and the WLIDSVCM.EXE hanging around in my taskmanager which is also suspect and it could be a rootkit so beware, Windows-related objects, processes and dll's are all liable to be hijacked, these to the community are known as rootkits. terminate the process if you dont trust it.
  Bobby Doe  
Wdfme.exe doesn't have anything to do with Windows or WMP 9, 10. WDFME.exe is a Western Digital exe that runs its Front Parlor part of Western Digital Smart Ware software. It comes preloaded when you buy an external drive or other drives from WD, usually above the 500 GB drives. I have found that this takes up alot of CPU cycles (anywhere from 10 - 18% of CPU cycles) in the startup phase and then settles in to use approx. 26 meg of Mem. I definitely uses the CPU in the beginning (startup takes 2 - 8 minutes) and I was trying find out if anybody else has had this problem.
  MartinD im even ,ore confused. I have it in task magaer, its listed like this: wdfmgr.exe(note the small letters) and its in the local service, is it suppose to be Wdfmger or wdfmgr..I know with some vurius etc the spelling and casing of the letters make a difference..thanks!
More comments can be found here:
    (further information)

Rating chart

Summary: Average user rating of wdfmgr.exe: based on 181 votes with 9 reviews. 77 users think wdfmgr.exe is essential for Windows or an installed application. 13 users think it's probably harmless. 43 users think it's neither essential nor dangerous. 18 users suspect danger. 30 users think wdfmgr.exe is dangerous and recommend removing it. 13 users don't grade wdfmgr.exe ("not sure about it").

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Best practices for resolving wdfmgr issues

A clean and tidy computer is the key requirement for avoiding problems with wdfmgr. This means running a scan for malware, cleaning your hard drive using cleanmgr and sfc /scannow, uninstalling programs that you no longer need, checking for Autostart programs (using msconfig) and enabling Windows' Automatic Update. Always remember to perform periodic backups, or at least to set restore points.

Should you experience an actual problem, try to recall the last thing you did, or the last thing you installed before the problem appeared for the first time. Use the resmon command to identify the processes that are causing your problem. Even for serious problems, rather than reinstalling Windows, you are better off repairing of your installation or, for Windows 8 and later versions, executing the DISM.exe /Online /Cleanup-image /Restorehealth command. This allows you to repair the operating system without losing data.

To help you analyze the wdfmgr.exe process on your computer, the following programs have proven to be helpful: Security Task Manager displays all running Windows tasks, including embedded hidden processes, such as keyboard and browser monitoring or Autostart entries. A unique security risk rating indicates the likelihood of the process being potential spyware, malware or a Trojan. Malwarebytes Anti-Malware detects and removes sleeping spyware, adware, Trojans, keyloggers, malware and trackers from your hard drive.

Other processes

wdfmgr.exe [all]