How to fix error 0x800F081F on Windows 10

1. Set up Windows Update in Services

Set up Services

Step 1: Press the Windows + R key combination to open the Run dialog box. Next, enter the command services.msc (1) => OK (2) .

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Right-click on Windows Update (1) => Properties (2) .

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Step 2: You set the Startup type to Automatic (1) => Apply (2) => OK (3) .

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Install the .NET Framework 3.5 in Windows Features

Step 1: Press the Windows + R key combination , enter the keyword appwiz.cpl (1) => OK (2) .

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Step 2: Click Turn Windows features on or off .

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Step 3: You click on the [+] (1) to expand and check the 2 parts (2) in the .NET Framework 3.5 (include .NET 2.0 and 3.0) => OK (3) .

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Step 4: Click on Let Windows Update download the files for you .

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Click Close to close the dialog box and complete.

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2. Editing in Group Policy

Step 1: You open the Run with the shortcut Windows + R . Enter keywords gpedit.msc (1) => OK (2) .

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Step 2: Go to Computer ConfigurationAdministrative TemplatesSystem path

Next, you double left click on Specify settings for optional component installation and component repair .

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Step 3: Click on Enabled (1) => Apply (2) => OK (3) .

Then, please reinstall .NET Framework 3.5 in Windows Update or in the installer to see if error 0x800F081F still appears.

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3. Fix errors in Windows Update

This is also a way to fix the error when installing the .NET Framework 3.5 when you install it in Windows Features. Proceed as follows:

Step 1: You click on Search (1) => search for Control Panel (2) => Control Panel (3) .

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Step 2: You search for keyword update (1) => Find and fix windows update problems (2) .

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Step 3: Select Apply repairs automatically (1) => Next (2) .

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After that, the software will fix the errors related to Windows Update and you can try to reinstall the .NET Framework 3.5 in Windows Features.

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With the above fixes, you can fix the 0x800F081F error on the fastest Windows 10 computer. Good luck!

Samuel Daniel

Update 09 January 2021