If you are trying to upgrade your Windows to the latest version or if you are only updating Windows 10, it is likely that you will encounter error code 0x8007007e with the error message "Windows has encountered an unknown error" or "Failed to install the software update. Try Again. "Now there are few major issues that could cause this error due to the failure of the Windows update. Few of them are third-party antiviruses, a corrupt registry, a corrupt system file, and so on.
Solution 1: Run Windows Update Troubleshooter to Fix Windows Update error 0x8007007e in Windows 10
To resolve the Windows 0x8007007e update error, you can use the Microsoft Windows Troubleshooter to specifically troubleshoot Windows Update-related issues. Follow these steps:
Step 1. Go to Microsoft’s official site to download Windows 10 Troubleshooter.
Step 2. Install Windows troubleshooter and run it.
Step 3. Wait for the troubleshooting process to be completed.
Solution 2: Disable Antivirus Software
It has been proven that third-party antivirus software could interfere with Windows Update and then error 0x8007007e occurred. You can temporarily disable the antivirus program after the Windows update is complete, and then activate it to protect your PC.
Solution 3: Perform a Clean Boot
The software conflict could also lead to the Windows Update error 0x8007007e in Windows 10. To prevent this happen, you’d better perform a clean boot. Follow these steps:
Step 1. Press Windows key + R simultaneously on your keyboard to launch the Run prompt.
Step 2. Type “msconfig” and click OK.
Step 3. In the System Configuration window, click the Services tab, check the box next to “Hide all Microsoft services”, and then click Disable all.
Step 4. Switch to the Startup tab, click Open Task Manager.
Step 5. Select each startup item, and then click Disable.
Step 6. Exit Task Manager.
Step 7. Repeat Step 1-3 and then click the Startup tab, and click OK.
Step 8. Reboot your PC.