Some of you may receive the error code 0x800f0954 when you would like to install .NET Framework 3.5 or install any optional Windows Updates. Don’t panic! In this guide on MiniTool Website , we will show you 4 solutions to eliminate this error from your computer.

Windows 10 Error 0x800f0954 DISM Failed

.NET Framework is a general-purpose platform developed by Microsoft. It provides a runtime environment and a set of libraries and tools for building and running applications on the Windows operating system. However, you may receive error code 0x800f0954 when trying to install .NET Framework 3.5 or other optional features via the Windows Features functionality or the DISM command-line tool in Windows 7, Windows 8.1 and Windows 10. Here are the error messages you might receive when getting DISM error 0x800f0954 or .NET Framework error 0x800f0954.

  • Error: 0x800f0954. DISM failed. No operation was performed.
  • Windows couldn’t complete the requested changes. The changes couldn’t be completed. Please reboot your computer and try again. Error code: 0x800f0954.

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After having a basic concept of DISM error 0x800f0954 or .NET Framework error 0x800f0954, here comes the question what causes this error? The 4 common culprits are listed as follows:

  • Windows Update Server issue : Windows Server Update Services enables you to update Windows on a computer network. If your system cannot reach WSUS, DISM error 0x800f0954 might also appear.
  • DISM CBS logs issue : At times, the DISM utility can generate some logs related to CBS but they indicate that there are some non-existent problems in your system.
  • Older .NET Framework version : Usually, you are supposed to install the latest version of the .NET Framework on your computer. If you attempt to install any older .NET Framework package, you are very likely to receive .NET 3.5 error 0x800f0954.
  • The hindrance of Local Group Policy Editor : If one policy is disabled from Local Group Policy Editor due to some reason, there will be an obstruction in the connection between Windows Server Update Services and Windows Optional Features Installer.

How to Fix DISM Error 0x800f0954 in Windows 7/8.1/10/?

Fix 1: Skip Windows Server Temporarily

If your system fails to access the Windows Update server, it won’t allow you to install optional Windows updates, resulting in the occurrence of .NET Framework 3.5 error 0x800f0954. In this case, you can try bypassing the WSUS server.

Step 1. Press Win + R to open the Run dialog.

Step 2. Type regedit and hit Enter to launch Registry Editor . If prompted by User Account Control , hit Yes to grant the permissions.

Step 3. Navigate to the following location: HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\Windows\WindowsUpdate\AU

If you find there is no WindowsUpdate key under Windows , you can create it manually. Just right-click on the Windows key > select New > choose Key > rename it to WindowsUpdate .

Then, right-click on WindowsUpdate > select New > choose Key > rename it to AU .

create a new key under WindowsUpdate

Step 4. Select the AU key > right-click on the blank area on the right side > select New > choose String Value > rename it to UserWUServer .

Step 5. Double-click on UserWUServer to change Value data to 0 and press OK to save the changes.

 change value data to 0

Step 6. Open File Explorer and right-click on This PC to choose Manage .

Step 7. Double-click on Services and Applications & Services > scroll down to find Windows Update > right-click on it to choose Restart . Now, you can install .NET Framework 3.5 successfully without the error code 0x800f0954.

Fix 2: Clean the CBS Logs

It is reported that DISM error 0x800f0954 is no longer existing after deleting the Component Based Servicing logs related to DISM. Here’s how to do it:

Step 1. Press Win + E to open File Explorer .

Step 2. Navigate to the following location: C:\Windows\Logs\CBS .

Step 3. Press Ctrl + A to select all the files inside the CBS folder and right-click on them to choose Delete .

Step 4. Then, close the CBS folder and run Command Prompt as an administrator.

Step 5. Run the following command to install .NET Framework and don’t forget to hit Enter .

Dism.exe /online /enable-feature /featurename:NetFX3 /source:C:\

run this command

Now, you will probably install .NET Framework without error code 0x800f0954.

What if your CNS logs are corrupted? Don’t worry! You can find some effective solutions in this guide - What Is CBS.log Windows 10 & How to Fix CBS.log Corrupt Issue .

Fix 3: Amend Group Policies

If there are some problems with group policies, some operational features and repair content will also fail to download. Follow these guidelines:

Tip: This solution isn’t applicable for all Windows versions. If you use Windows 10 Home, you need to skip this fix because it cannot support Local Group Policy Editor.

Step 1. Press Win + R to open the Run box.

Step 2. Type gpedit.msc and hit OK to launch Local Group Policy Editor . If prompted by UAC , hit Yes .

Step 3. Navigate to Computer Configuration > Administrative Templates > System . With System selected, scroll down in the right-hand pane to find Specify settings for optional component installation and component repair and double-click on it.

select this item

Step 4. Set the policy to Enabled and check Download repair content and optional features directly from Windows Update instead of Windows Server Update Services (WSUS) .

tick Enabled

Step 5. Click on Apply to save the configuration and then exit Local Group Policy Editor . DISM error 0x800f0954 might be gone at the next system startup.

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Fix 4: Install .NET Framework 3.5 with PowerShell

If you install an older .NET Framework package using DISM, it can also cause DISM error: 0x800f0954. To solve this issue, you can install .NET Framework 3.5 via Windows PowerShell.

Step 1. Right-click on the Start icon and select Windows PowerShell (Admin) in the context menu.

Step 2. In the command window, type Add-WindowsCapability –Online -Name NetFx3~~~~ –Source D.\sources\sxs and then tap on Enter .

Install .NET Framework with PowerShell

Step 3. After the process is done, quit Windows PowerShell and reboot your computer.

Fix 5: Install .NET Framework 3.5 from Windows 10 ISO

If none of the solutions are useful to you, the last option is to install .NET Framework 3.5 or optional features from Windows 10 ISO. Make sure that the ISO file corresponds to the version of Windows 10 installed on your computer.

Step 1. Go to Microsoft official website and click on Download tool now .

hit Download tool now

Step 2. Hit Accept to accept the license terms > tick Create installation media (USB flash drive, DVD, or ISO file) for another PC > hit Next > select Language , Architecture , and Edition > hit Next > tick ISO file > hit Next > choose a download location for Windows 10 ISO file > hit Save .

Step 3. Once downloaded, find the ISO file in File Explorer and right-click on it to select the Mount option. Then, note down the drive letter of the mounted drive.

Step 4. Launch Command Prompt as an administrator and run the following command (don’t forget to replace H:\ with the drive letter of your mounted drive):

dism /online /enable-feature /featurename:NetFX3 /Source:H:\sources\sxs /LimitAccess

If you need to installing all the components (including Windows Communication Foundation HTTP Activation and Windows Communication Foundation Non-HTTP Activation), please add the /All parameter in the command behind featurename:NetFX3 . Most users don’t need the two components.