How to Fix Windows Update Error 0x800f081f on Windows 10 and Windows 11

Iman — Tue, 06 Oct 2026 20:34:09 +0000

Windows Update error wi*0x800f081f* is a common problem that can prevent Windows from installing updates or optional features.

The error usually appears when Windows cannot find the required source files. In this guide, I’ll show you several practical methods that can help fix the problem on both Windows 10 and Windows 11.

Method 1: Run the Windows Update Troubleshooter

The first step is to use the built-in Windows Update troubleshooter.

On Windows 11

Open Settings.
Go to System.
Select Troubleshoot.
Open Other troubleshooters.
Find Windows Update.
Click Run.

On Windows 10

Open Settings.
Select Update & Security.
Select Troubleshoot.
Click Additional troubleshooters.
Select Windows Update.
Click Run the troubleshooter.

Restart your computer after the troubleshooting process is complete.

Method 2: Repair Windows System Files

If the troubleshooter does not solve the problem, corrupted system files may be responsible.

Open Command Prompt as Administrator and run:

DISM /Online /Cleanup-Image /RestoreHealth

Wait until the process reaches 100%.

Then run:

sfc /scannow

Do not close the Command Prompt window while these commands are running.

After both commands finish, restart Windows and try Windows Update again.

Method 3: Reset Windows Update Components

Sometimes the Windows Update cache becomes corrupted.

Open Command Prompt as Administrator and run these commands one at a time:

net stop wuauserv
net stop bits
net stop cryptsvc
net stop msiserver

Then rename the Windows Update cache folders:

ren C:\Windows\SoftwareDistribution SoftwareDistribution.old
ren C:\Windows\System32\catroot2 catroot2.old

Start the services again:

net start wuauserv
net start bits
net start cryptsvc
net start msiserver

Restart your computer and check Windows Update again.

Method 4: Use DISM to Repair the Windows Component Store

Error 0x800f081f can sometimes be related to the Windows component store.

Run:

DISM /Online /Cleanup-Image /CheckHealth

Then:

DISM /Online /Cleanup-Image /ScanHealth

Finally:

DISM /Online /Cleanup-Image /RestoreHealth

The last command may take some time. Let it finish before restarting your computer.

Method 5: Check Your Internet Connection

Windows may need to download additional files during the repair process.

Make sure:

Your internet connection is stable.
A VPN is not interfering with Windows Update.
Your computer's date and time are correct.
You have enough free disk space.

If possible, temporarily disconnect from a VPN and try Windows Update again.

Method 6: Restart the Computer

This sounds simple, but Windows Update services can sometimes remain in an incorrect state after an update attempt.

After completing the repair commands above, restart your computer and check:

Settings → Windows Update → Check for updates

Final Thoughts

Windows Update error 0x800f081f can have several causes, including corrupted system files, damaged Windows Update components, or missing Windows installation files.

In many cases, running DISM and SFC, followed by resetting the Windows Update components, can resolve the problem without reinstalling Windows.

If none of these methods work, the next step is to investigate the specific Windows Update error and the CBS or DISM logs to determine exactly which component is missing or damaged.

If this guide helped you, feel free to share it with someone who is having problems with Windows Update.

DEV Community: Iman