Finally, you can also use the DISM command line tool and Windows System File Checker to resolve Windows Update problems such as 0x800f081f. These troubleshooting tools come pre-installed with Windows and can be run from the command line. Although they don’t have a graphical user interface, they’re still very efficient.
To fix the 0x800f081f error using the command line tool, proceed as follows:
Right-click the Windows logo in the taskbar to open the Start menu. Select Command Prompt (Admin) or Windows PowerShell (Admin). Only one of these options will be displayed, depending on your Windows configuration or version.
Once you've opened the command line tool, type the following command: