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What is WUDFHost.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 WUDFHost.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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WUDFHost.exe file information

Windows Task Manager with WUDFHost
WUDFHost.exe process in Windows Task Manager

The process known as Windows Driver Foundation - User-mode Driver Framework Host Process belongs to software Microsoft Windows Operating System by Microsoft (www.microsoft.com).

Description: WUDFHost.exe is not essential for the Windows OS and causes relatively few problems. WUDFHost.exe is located in the C:\Windows\System32 folder. Known file sizes on Windows 8/7/XP are 146,432 bytes (35% of all occurrences), 142,336 bytes and 6 more variants. http://www.file.net/process/wudfhost.exe.html 
The program is not visible. WUDFHost.exe is a trustworthy file from Microsoft. It is not a Windows system file. Therefore the technical security rating is 15% dangerous; however you should also read the user reviews.

Recommended: Identify WUDFHost.exe related errors

If WUDFHost.exe is located in a subfolder of C:\Windows, the security rating is 50% dangerous. The file size is 229,888 bytes. It is an unknown file in the Windows folder. The program has no visible window. The WUDFHost.exe file is not a Windows core file.

Important: Some malware disguises itself as WUDFHost.exe, particularly when not located in the C:\Windows\System32 folder. Therefore, you should check the WUDFHost.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.

Score

User Comments

Runs on SVR 2003 as well, seems to be used by ABB 800XA automation software - runs about 10 copies at once.
  dave  
I found it after I installed Paragon Hard Disk Manager 14
   
Agree with Another Berhnard, this is on XP and is present when Galaxy S2 plugged in and removes itself on disconnection. I think it messes with my keyboard though, I get things like that happen when it is running and not when it isn't.
  Mike Russell  
Not dangerous. Runs when my samsung phone is plugged into the computer
  rufinmusic  
This file is a windws process that indexes all media to add it to windows media player - the service is cpu intensive,but on completion it should standby and resources return to normal. It is Possiby too cpu intensive for notebooks not using 15/7 processors, Even 17 laptops will report 30% cpu use over 8 logical cores - so this is not light to say the least.
  EMC  
File will run when the computer is connected via MTP (Media Transfer Protocol) to another device. Runs when my samsung phone is plugged into the computer.
  Paweł  
service starts when i connect my DROID phone. seems harmless (WinXP)
  zhopa  
On XP SP3 machine, immediately loads on connection of GT-N7100 (Samsung Galaxy Note 2) mobile phone. Process cannot be ended via Task Manager, but disappears on disconnection of phone.
  AndyH55  
More comments can be found here:
    (further information)

Rating chart

Summary: Average user rating of WUDFHost.exe: based on 139 votes with 9 reviews. 94 users think WUDFHost.exe is essential for Windows or an installed application. 11 users think it's probably harmless. 19 users think it's neither essential nor dangerous. 7 users suspect danger. 8 users think WUDFHost.exe is dangerous and recommend removing it. 30 users don't grade WUDFHost.exe ("not sure about it").


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Best practices for resolving WUDFHost issues

A clean and tidy computer is the key requirement for avoiding problems with WUDFHost. 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 doing a repair of your installation, or in the case of Windows 8, 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 WUDFHost.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

WUDFHost.exe [all]