Resolve Update Error code 0x800f081f:
To fix the update error 0x800f081f, you must perform the following steps:Open the Windows search and search for "command prompt".
Perform a right-click on the search result and click "Command Prompt" then "Run as administrator".
In the open command prompt now type "dism.exe / online / cleanup-image / scan health" and press [Enter].
After the command has been executed, you must type again "dism.exe / online / cleanup-image / restore health" and press enter to confirm again.
Finally, type "exit" and press [Enter] to close the command prompt.
Now run the Windows update again.
Fix Error code 0x800f081f with Automatic Windows Update Troubleshooter:
If the above solution did not work, helps the automatic Windows Update Troubleshooter:
First, open the website of the automatic troubleshooting.
Click "Run Now" and start the downloaded file.
The troubleshooting guides you through the next steps.