Error codes 0x800F081F, 0x800F0906, and 0x800F0907 are related to the same problem, on Windows 11 operating system. This occurs when you try to install a system update from Windows Update. These error codes refer to incompatibility of Microsoft .NET Framework 3.5 which in Windows 11 is an optional feature so it may not be installed by default, thus giving rise to the errors in question and so the inability to install system updates as Windows Update tries unsuccessfully to acquire the .NET binaries along with other necessary correlative files.
Windows 11 .NET Framework 3.5 Offline Installation Error Codes Fixed
Error code 0x800F081F is linked with other three are error codes such as 0x800F0906, 0x800F0907, and 0x800F0922. This occurs because of Microsoft .NET Framework 3.5 incompatibilities. The error code 0x800F081F occur when Windows 11 could not find the .NET source files for the installation. The error code 0x800F0906 occurs when Windows 11 is unable to download the .NET source files. The error code 0x800F0907 is related to the DISM tool failure. The error code 0x800F0922 occurs for processing of .NET advanced installers or generic commands failed.
How to Fix 0x800F081F, 0x800F0906, and 0x800F0907 error codes?
Method 1: Check if the Microsoft .NET Framework 3.5 is installed
1. Press Windows + R to open the Dialog “Run” and type here and send the command optionalefeatures.exe to open the window “Windows Features”.
2. Check if the checkbox of the “NET Framework 3.5 (includes .NET 2.0 and 3.0)” feature is checked/coloured black; otherwise, select it with a mouse click, then click the OK button to start the installation of Microsoft .NET Framework 3.5 on your PC.
Windows Update will take care of the download, so immediately afterwards the “To complete the installation of any feature you need to download some files from Windows Update” window will appear on the screen where you just have to click the “Download files from Windows Update” button to start the download.
3. Once the installation is complete, restart your PC/Laptop, then try to search and install Windows Update again to see if everything works now. If not, proceed with the next solution.
Method 2: Install .NET Framework using with DISM command
1. Open the Start menu, type and enter gpedit.msc to open the “Local Group Policy Editor” tool window.
2. Now in the Local Group Policy Editor window, acting from the left panel, go to Configuration> Administrative Templates> System and in the right pane locate and double click open the “Specify settings for installing and restoring optional components” setting.
3. In the options window of the setting in question, set its configuration to “Enabled” then confirm by clicking the Apply and OK buttons. Now close the Local Group Policy Editor tool.
4. Now you need to get the Window 11 ISO image using Media Creation Tool or another method.
5. Right-click on the ISO file and click the “Mount” option in the context menu.
At the end of all the following procedure it will then be possible to unmount the ISO image from “This PC” by right clicking on the assigned drive letter and in the context menu by clicking the “Eject” option.
6. Once the ISO image has been mounted, you need to go to “This PC” to see what drive letter has been assigned to the mounted ISO image.
7. Now open the Start menu, type cmd and in the search results right-click on ” Command Prompt ” and choose the option “Run as administrator”.
8. Paste and send the command “Dism /online /enable-feature /featurename:NetFx3 /All /Source:<DRIVE>:\sources\sxs /LimitAccess” by replacing [Drive letter] with the drive letter assigned to the mounted ISO image. Wait until ” Feature Activation ” reaches 100% and the ” Operation Complete ” confirmation appears. Close the Command Prompt.
9. Restart your PC and run the Windows Update search and install again to see if everything is working now.
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