Many Windows 11 users have recently encountered update error 0x80070103.Error may appear due to a bug preventing the Windows Update components from functioning properly.Retry the Windows 11 Update and pause and resume the Windows 11 update again.Restart your Windows 11 PC to release the RAM and terminate all apps & processes.Run the Windows Update Troubleshooter, clear the SoftwareDistribution Folder, and restart the Windows Update Service.Delete the Windows Temporary Files and run the SFC/DISM Command.Manually Download & Install Windows Updates, and use Windows Media Creation Tool to reinstall Windows.These are some of the best ways to fix Windows Install Error 0x80070103.Following the methods can resolve the issue encountered during Windows Update.Keep the operating system up to date to avoid potential errors.