[5 Proven Ways] Fixing Error Code 0x800f0954 Net Framework 3.5

By Andy Samuel to Fix Windows | 2023-07-25
“error 0x800f0954 I was installing NET Framework and I got this error code I don't know what it is or how to fix this can someone help me?”

When installing .NET Framework 3.5, you may encounter error 0x800f0954. This error appears with a short error message and a code to help you find the potential fixes to that problem. Besides, Microsoft gives additional information about the causes of the error on their official site, but this explanation is quite baffling for a non-technical person.

This article discusses the 0x800f0954 Windows 10 error in detail and suggests the 5 best ways to resolve it.

0x800f0954 NET Framework 3.5 Windows 10/11

Most Windows applications and components are designed and powered by .NET Framework. Whenever Microsoft upgrades one or more of this framework’s components, you receive a Windows update to download and install its latest version.

However, if this framework fails to install for some reason, you receive an error message accompanied by error code 0x800f0954, which looks as follows:

error code 0x800f0954 symptom

The framework error can occur due to a variety of reasons, such as,

  • CBS (Component Based Servicing) Log Issues: The DISM (Deployment Image Servicing and Management) utility sometimes maintains CBS logs to indicate some non-existing system problems throwing error 0x800f0954.
  • Problems with Windows Update Server: Installing Windows updates requires connections to WSUS (Windows Server Update Services), and if this connection is interrupted or broken, it causes 0x800f0954 Windows 10.
  • Old .NET Framework Version: If you try to install an older version of .NET Framework, you may encounter error 0x800f0954.
  • Conflicting Group Policy Editor: When group policy editor settings interrupt system services, you face a 0x800f0954 error.

How to Fix .NET Framework 3.5 Error 0x800f0954 in Windows 10/11?

If you are facing error 0x800f0954 net framework 3.5, you can apply the following fixes to resolve it:

Fix 1: Smart Repair with PassFab FixUWin

PassFab FixUWin is a comprehensive solution to all your Windows problems. Although it is designed to help you manage and control your system resources efficiently, its Smart Repair feature enables you to resolve 200+ Windows errors smartly with minimal effort. It can automatically scan your system and replace the problematic files. Using this utility, you can fix BSoD, crashing, boot loops and other errors by creating a Windows repair disk.

Here is how to use PassFab FixUWin to resolve error 0x800f0954 .NET Framework 3.5:

Step 1: After installing PassFab FixUWin, click Create boot disk now.

create boot disk

Step 2: Plug in a boot media (USB/CD/DVD) and hit the Next button.

choose your usb

This will create a bootable Windows repair disk for your system.

Step 3: Restart your computer and set the bootable USB on boot priority.

Step 4: Click the Automated repair button to initiate the repair process. This will help you repair your system without performing any complex steps.

click automated repair

Step 5: Now, hit the Start repair button after selecting the disk partition you want to repair.

choose the partition

You will have to wait for some time for the repair process to be complete. This time depends upon the data stored on the chosen disk.

Step 6: Click Restart to restart your system.

choose restart

Once this utility has completed repairing, you can install .NET Framework 3.5 without facing any error 0x800f0954.

Fix 2: Bypass WSUS to Install Updates Directly

As mentioned earlier, the error 0x800f0954 can occur due to connection errors in WSUS (Windows Server Update Service). You can try bypassing this utility and directly install the updates and features from Windows Update.

Step 1: Right-click the Start button to open the context menu and choose Run.

Step 2: Enter regedit.exe in the Run dialog and hit Enter.

Step 3: Follow the path: HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\Windows\WindowsUpdates\AU.

Step 4: Set the UserWUServer data value to 0 on the right pane.

set the value to fix error code 0x800f0954

Step 5:Exit the registry editor and restart your computer.

After the command completes successfully, restart your system to implement the changes.

Fix 3: Fix Error 0x800f0594 with DISM Command

DISM is a built-in Windows command line tool to repair system errors. If the above fix fails to resolve your issue, you can try repairing the .NET Framework 3.5 error with this tool. To do so, the .NET Framework installation file must be stored on Windows Installation Media or the ISO file.

Step 1: Mount the latest Windows 10/11 ISO image by double-clicking.

Step 2: Notice the drive letter of the DVD or mounted drive.

Step 3:Open the command prompt in elevated mode and type the following command:dism /online /enable-feature /featurename:NetFX3 /Source:H:\sources\sxs /LimitAccess**

type the command and fix error code 0x800f0954

After the command completes successfully, restart your system to implement the changes.

Fix 4: Fix Error Code 0x800f0954 by Cleaning CBS Log

One of the major culprits behind error 0x800f0954 is the CBS log created by DISM. The best way to eliminate this cause is to delete this log:

Step 1: Open the C drive and go to the Windows folder.

Step 2: Go to Logs -> CBS.

Step 3: Select all files by pressing CTRL + A keys and hit Shift + Delete keys to delete them permanently.

select all files

Step 4: Now, you need to re-run the DISM command by accessing the elevated command prompt and typing this command: dism.exe /online /enable-feature /featurename.NetFX3 /source.C.

Step 5: Install .NET Framework 3.5.

Fix 5: Resolve Error 0x800f0954 with Group Policy Editor

The optional Windows updates and features sometimes fail due to Group Policy issues. You can alter these policies to repair error 0x8000f0954 in Windows 10. Follow the given steps to apply this fix:

Step 1: Press Windows + R keys to launch Run dialog.

Step 2: Type gpedit.msc command and hit Enter.

Step 3: Go to the following path using the left-navigation menu in the Local Group Policy Editor window:

Computer Configuration\ Administrative Templates\ System.

Step 4: Double-click the Specify settings for optional component installation and component repair option on the right side of the window.

Step 5: Enable the service.

Step 6: Check the “Download repair content and optional features….” option.

 check the following option

Step 7: Click Apply and then OK to confirm the action.

Step 8: Restart system.

Now, try to install .NET Framework 3.5.


1.What is error code 0x800f0954 rsat?

The error code 0x800f0954 RSAT occurs on Windows when installing Remote Server Administration Tools (RSAT) using DISM for additional features. The RSAT is included in the Features on Demand in Windows 10. This tool is used to manage other systems running the same OS remotely. It is designed for IT admins to help them manage roles, features, and role services for remote computers.

If you face RSAT error code 0x800f0954, you can apply the fixes in this guide to mitigate it.

2.How to Fix Error Code 0x800f0954 language pack?

When you try to install language pack features, they sometimes cause error 0x800f0954 due to misconfigured Windows Update Services, corrupted system files, or a weak Internet connection.

To avoid this error, you can add the desired language pack as follows:

  • Open Settings and choose Time & Language settings.
  • Switch to the Language tab on the left navigation.
  • Click on Add a Language.  add a language
  • Search your preferred language, select it, and click Next.
  • Follow the instructions on the screen.

Final Words

The error 0x800f0954 is triggered due to various reasons and on various occasions. In this article, we have proposed the best ways to mitigate the error code 0x800f0954 .NET Framework Windows 10/11. All the solutions are tested and proven. We hope you found them helpful.