How to Fix 'Error Encountered' Issue in a Windows 11 Update

Updating your Windows 11 system is essential for optimal performance and security enhancements. Regular updates fix bugs and vulnerabilities, ensuring your system runs smoothly. But what happens when you encounter the dreaded "Error Encountered" message while trying to update?

Many users face this issue, preventing them from installing the latest updates and security patches. Fortunately, there are several methods to resolve this error.

1. Reset Windows Update Components

If you're experiencing issues with Windows Update, resetting the Windows Update Components can often resolve the problem. This process will reset the services and components responsible for Windows updates.

To reset the Windows Update Components, follow these steps:

1. Open an elevated Command Prompt. Right-click the Start icon on the taskbar and select Windows Terminal (Admin). Click Yes if prompted by the User Account Control (UAC).

2. In Windows Terminal, open the Command Prompt tab by clicking the downward arrow at the top and selecting Command Prompt, or press Ctrl + Shift + 2.

3. Stop the BITS, Windows Update, and Cryptographic services by executing the following commands one by one:

net stop bits

net stop wuauserv

net stop cryptsvc

4. Delete the qmgr*.dat files by running:

Del "%ALLUSERSPROFILE%\Application Data\Microsoft\Network\Downloader\qmgr*.dat"

Note: If you continue to experience the error after following these steps, proceed with the next commands.

5. Rename the SoftwareDistribution and catroot2 folders by executing:

Ren %Systemroot%\SoftwareDistribution\DataStore DataStore.bak

Ren %Systemroot%\SoftwareDistribution\Download Download.bak

Ren %Systemroot%\System32\catroot2 catroot2.bak

6. Reset the BITS and Windows Update services to their default security descriptor:

sc.exe sdset bits D:(A;;CCLCSWRPWPDTLOCRRC;;;SY)
(A;;CCDCLCSWRPWPDTLOCRSDRCWDWO;;;BA)
(A;;CCLCSWLOCRRC;;;AU)
(A;;CCLCSWRPWPDTLOCRRC;;;PU)

sc.exe sdset wuauserv D:(A;;CCLCSWRPWPDTLOCRRC;;;SY)
(A;;CCDCLCSWRPWPDTLOCRSDRCWDWO;;;BA)
(A;;CCLCSWLOCRRC;;;AU)
(A;;CCLCSWRPWPDTLOCRRC;;;PU)

7. Re-register the BITS and Windows Update files by running the following commands. Execute them one by one:

regsvr32.exe atl.dll
regsvr32.exe urlmon.dll
regsvr32.exe mshtml.dll
regsvr32.exe shdocvw.dll
regsvr32.exe browseui.dll
regsvr32.exe jscript.dll
regsvr32.exe vbscript.dll
regsvr32.exe scrrun.dll
regsvr32.exe msxml.dll
regsvr32.exe msxml3.dll
regsvr32.exe msxml6.dll
regsvr32.exe actxprxy.dll
regsvr32.exe softpub.dll
regsvr32.exe wintrust.dll
regsvr32.exe dssenh.dll
regsvr32.exe rsaenh.dll
regsvr32.exe gpkcsp.dll
regsvr32.exe sccbase.dll
regsvr32.exe slbcsp.dll
regsvr32.exe cryptdlg.dll
regsvr32.exe oleaut32.dll
regsvr32.exe ole32.dll
regsvr32.exe shell32.dll
regsvr32.exe initpki.dll
regsvr32.exe wuapi.dll
regsvr32.exe wuaueng.dll
regsvr32.exe wuaueng1.dll
regsvr32.exe wucltui.dll
regsvr32.exe wups.dll
regsvr32.exe wups2.dll
regsvr32.exe wuweb.dll
regsvr32.exe qmgr.dll
regsvr32.exe qmgrprxy.dll
regsvr32.exe wucltux.dll
regsvr32.exe muweb.dll
regsvr32.exe wuwebv.dll

8. Reset the network configuration by typing:

netsh winsock reset

9. Restart the services you stopped earlier by running:

net start bits

net start wuauserv

net start cryptsvc

10. Restart your computer to apply the changes.

After completing these steps, try running Windows Update again to see if the issue is resolved.

2. Run the Windows Update Troubleshooter

Windows includes a built-in troubleshooter that can automatically detect and fix common update issues.

1. Open Settings by right-clicking the Start icon and selecting Settings, or press Windows + I.

2. In the System tab, click on Troubleshoot.

3. Select Other troubleshooters.

4. Find Windows Update and click Run next to it.

The troubleshooter will scan for issues and attempt to fix them. Follow any on-screen instructions, then restart your computer and try updating again.

3. Automate Windows Update Services with Command Prompt

If certain services required for Windows Update are not running, you might encounter update errors. Automating these services can help resolve the issue.

1. Open an elevated Command Prompt as described earlier.
2. Execute the following commands one by one:

sc config wuauserv start=auto

sc config cryptSvc start=auto

sc config bits start=auto

sc config trustedinstaller start=auto

After executing these commands, close the terminal, restart your computer, and try updating Windows again.

4. Download Security Intelligence Update

Sometimes, updating the Security Intelligence definitions can fix Windows Update errors.

1. Press Windows + S to open the search bar, type Windows Security, and open it.

2. Click on Virus & threat protection.

3. Under Virus & threat protection updates, select Protection updates.

4. Click Check for updates to download and install any available updates.

Once the updates are installed, restart your computer and attempt to update Windows again.

5. Reset Your Windows 11 PC

If all else fails, resetting your PC may resolve the issue. This should be considered a last resort, as it reinstalls Windows and can remove apps and settings.

1. Open Settings by pressing Windows + I and select System from the sidebar.
2. Click on Recovery on the right pane.

3. Under Recovery options, click Reset PC next to Reset this PC.

4. Choose Remove everything.

Note: This option will delete all your personal files, apps, and settings. Ensure you have a backup of important data.

5. Select Local reinstall as the installation method.

6. Review the settings and click Next.

7. Click Reset to begin the reset process.

After the reset is complete, your system should no longer encounter the update error.

By following these methods, you should be able to resolve the "Error Encountered" issue and successfully update your Windows 11 system.