Windows 10 Error 0x800f0954 DISM Failed
.NET Framework is a general-purpose platform developed by Microsoft.
Here are the error messages you might receive when getting DISM error 0x800f0954 or .NET Framework error 0x800f0954.
In this case, you’ve got the option to try bypassing the WSUS server.
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Just right-select theWindowskey > selectNew> chooseKey> rename it toWindowsUpdate.
Then, right-click onWindowsUpdate> selectNew> chooseKey> rename it toAU.
Double-click onUserWUServerto changeValue datato0and pressOKto save the changes.

OpenFile Explorerand right-click onThis PCto chooseManage.
Double-click onServices and Applications&Services> scroll down to findWindows Update> right-tap on it to chooseRestart.
Now, you’ve got the option to install .NET Framework 3.5 successfully without the error code 0x800f0954.

Heres how to do it:
Step 1.
Navigate to the following location:C:\Windows\Logs\CBS.
PressCtrl+Ato select all the files inside theCBSfolder and right-punch them to chooseDelete.

Then, close theCBSfolder and runCommand Promptas an administrator.
Step 5. launch the following command to install.NET Frameworkand dont forget to hitEnter.
What if your CNS logs are corrupted?

Fix 3: Amend Group Policies
Step 1.
Navigate toComputer Configuration>Administrative Templates>System.
To solve this issue, it’s possible for you to install .NET Framework 3.5 via Windows PowerShell.

Right-press theStarticon and selectWindows PowerShell (Admin)in the context menu.
In the command window, typeAdd-WindowsCapability Online -Name NetFx3~~~~ Source D.\sources\sxsand then tap onEnter.
After the process is done, quitWindows PowerShelland reboot your rig.
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see to it that the ISO file corresponds to the version of Windows 10 installed on your system.
Go toMicrosoft official websiteand click onDownload tool now.
Once downloaded, find the ISO file inFile Explorerand right-choose it to select theMountoption.

Then, note down the drive letter of the mounted drive.
Most users dont need the two components.
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Step 2.

Click onKeep Trialand go to theBackuppage.
After making your choice, click onBack Up Nowto start the backup at once.
Launch MiniTool ShadowMaker and go to theToolspage.
Click onMedia BuilderandWinPE-based media with MiniTool plug-in.
ChooseUSB Flash Diskand hitYesif prompted by a warning message.
After the process is down, hitFinishand quit this program.