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In this article, learn how to fix .NET Framework 3.5 or DISM error 0x800F0954 in Windows 10. Due to this error, you can't enable .NET Framework.

Earlier, we have seen how to enable .NET Framework 3.5 in Windows 10 in following guide:

How to enable .NET Framework 3.5 in Windows 10 using DISM

You can also enable .NET Framework 3.5 using Turn Windows features on or off applet.

However, no matter whatever method you use to enable .NET Framework 3.5, sometimes you may encounter same error code 0x800F0954. Due to this error code, you can’t enable .NET Framework 3.5 at all.

FIX: .NET Framework/DISM Error 0x800F0954 In Windows 10

If you’re also getting error code 0x800F0954 while enabling .NET Framework 3.5 via DISM or Turn Windows features on or off, here is how to fix.

FIX: .NET Framework/DISM Error 0x800F0954 In Windows 10

FIX 1 – Via PowerShell

You can use Add-WindowsCapability cmdlet instead of DISM to bypass error 0x800F0954.

1. Right click Start Button or press W8K + X keys and select Windows PowerShell (Admin).

FIX: .NET Framework/DISM Error 0x800F0954 In Windows 10

2. In the administrative Windows PowerShell window, type following cmdlet:

Add-WindowsCapability –Online -Name NetFx3~~~~ –Source C:\Temp\sxs

*Make sure you replace C:\Temp\sxs with actual sxs folder location.

To identify and locate sxs folder from Windows 10 ISO file, check steps 1-2 here.

FIX: .NET Framework/DISM Error 0x800F0954 In Windows 10

3. Once .NET Framework is enabled, you can close Windows PowerShell and return to Desktop, if you like.

If this doesn’t works for you, try FIX 2.

FIX 2 – Via Registry

Registry Disclaimer: The further steps will involve registry manipulation. Making mistakes while manipulating registry could affect your system adversely. So be careful while editing registry entries and create a System Restore point first.

1. Press W8K + R and put regedit in Run dialog box to open Registry Editor (if you’re not familiar with Registry Editor, then click here). Click OK.

Windows 10 Registry Editor

2. Navigate to following registry key:

HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\Windows\WindowsUpdate\AU

3. In the corresponding right pane of AU registry key, you’ll see a registry DWORD (REG_DWORD) named UseWUServer which might be set to 1. Double click on it to modify its Data.

FIX: .NET Framework/DISM Error 0x800F0954 In Windows 10

4. Then in Edit DWORD Value box, put the Value data as 0. Click OK and close the Registry Editor window.

FIX: .NET Framework/DISM Error 0x800F0954 In Windows 10

5. Now retry to enable .NET Framework again. This time it should work fine.

FIX: .NET Framework/DISM Error 0x800F0954 In Windows 10

6. Once you reboot after enabling .NET Framework, make sure you restore back UseWUServer registry DWORD to Value data as 1.

Hope this helps you!

Related: Get .NET Framework Repair Tool for Windows 10.


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2 Comments

  • Thanks a lot!!! You saved my life!

  • Kapil Arya

    ^^ Glad we could help 😎

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