In this post, we will offer instructions on how to fix Windows Update error 0x800F081F in Windows 8.1 using the built-in DISM or CheckSUR tool to replace damaged or missing Windows Update files, using the System Update and Readiness Tool or CheckSUR tool. This built-in tool scans your Windows computer for inconsistencies, which may be caused by various hardware failures or by software issues and potentially fix that corruption. In the case of system inconsistencies and corruptions, you can use the Deployment Imaging and Servicing Management (DISM) tool to update the files and correct the problem.
Windows Update error 0x800F081F
We have already seen how this tool can help resolve these installation errors by a corrupted Windows Component Store:
0×80070002, 0x8007000D, 0x8007370D, 0x8007370B, 0x8007371B, 0×80070490, 0x8007370A, 0×80070057, 0x800B0100, 0x800F081F, 0×80073712, 0x800736CC, 0x800705B9, 0×80070246, 0×80092003, 0x800B0101.
Today we will see how to use this tool to also fix Windows Update error 0x800F081F.
Open an elevated command prompt, type the following and hit Enter.
dism.exe /online /cleanup-image /scanhealth
Once the operation completes successfully, type the following and hit Enter.
dism.exe /online /cleanup-image /restorehealth
Restart your computer and run Windows Update again.
In case this does not help, you can try the Windows Update Troubleshooter or check these post on how to troubleshoot Windows Update errors:
Hope something helps!