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"Windows Driver Foundation - User-mode Driver Framework" service not started: Missing wudfsvc.dll

Dayananda Kempapura Thippanna 20 Reputation points
2024-09-03T12:34:05.4633333+00:00

Hi All,

I followed https://learn.microsoft.com/en-us/windows-hardware/drivers/download-the-wdk to install the WDK on both windows 10 and windows 11 but I am not able to see the UMDF2 service in the service list. After debugging further I realized wudfsvc.dll file is missing.

Because wudfsvc.dll is missing, I am not able to start "Windows Driver Foundation - User-mode Driver Framework" service.

Windows specification:

1: Window 10

Version 22H2(OS Build 19045.4842)

2: Windows 11

  Version 23H2(OS Build 22631.4037)

Where do I find this missing file wudfsvc.dll and what is the procedure to install this ?

Thanks in advance for the help!!!

Windows
Windows
A family of Microsoft operating systems that run across personal computers, tablets, laptops, phones, internet of things devices, self-contained mixed reality headsets, large collaboration screens, and other devices.
5,498 questions
Windows Driver Kit (WDK)
Windows Driver Kit (WDK)
A set of Microsoft tools that are used to develop, test, and deploy Windows drivers.
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  1. Wesley Li 10,235 Reputation points
    2024-09-03T14:26:18.49+00:00

    Hello,

    It sounds like you're having trouble with the installation of the Windows Driver Kit (WDK) on both Windows 10 and Windows 11 due to a missing wudfsvc.dll file. This file is essential for starting the "Windows Driver Foundation - User-mode Driver Framework" service.

    To resolve this issue, you can try the following steps:

    Reinstall the WDK: Sometimes, a reinstallation can fix missing files. Make sure to follow the instructions carefully from the An external link was removed to protect your privacy..

    Check for Windows Updates: Ensure that your Windows operating system is up to date. Sometimes, missing files can be restored through system updates.

    Manually Download the Missing File: You can download the wudfsvc.dll file from a trusted source. Be cautious and ensure that the source is reliable to avoid any security risks.

    Copy the File to the Correct Directory: Once you have the wudfsvc.dll file, copy it to the C:\Windows\System32 directory. This is where the system expects to find it.

    Register the DLL File: After copying the file, you may need to register it. Open Command Prompt as an administrator and run the following command:

    regsvr32 C:\Windows\System32\wudfsvc.dll

    Restart Your Computer: After completing the above steps, restart your computer to ensure that the changes take effect.

  2. Dayananda Kempapura Thippanna 20 Reputation points
    2024-09-03T15:14:31.7333333+00:00

    Hi Wesley Li,

    Thanks for the quick reply.

    I did re-installed the WDK multiple times both in Windows 10 and Windows 11. I see the same issue all the times.

    I also made the Windows is up to date. The issue did not resolved.

    Can you point me to trusted source where I can download wudfsvc.dll file?

    Thanks

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