How to Fix Update Error Code 0x800703f1 on Windows 10?

Launch Windows Troubleshooter

1. Head over to Start and right-click on it.
2. Click on Settings.
3. Scroll down to see the Windows Update category.
4. Select it and run the troubleshooter.
5. Let it check for error on your Windows 10 copy and report it back to you so that you can fix it.

Perform a Full System Scan

There might be cases where your PC is infected by malware. To check for the malware, follow the below steps:

1. Go to Windows search and search for Security into it.
2. Tap on the Virus and threat protection option.
3. Click on the Scan option.
4. Tap on the Full Scan button and let it scan your whole PC.

Uninstall Windows Update

Your current version of Windows 10 might be causing this issue. In order to remove it, follow the below steps:

1. Open Control Panel.
2. Click on the Program option.
3. Head over to Uninstall a program.
4. Head over to the left-hand side and click on View Installed Updates.
5. Select the most recent version of the Windows Update.
6. Right-click on it and choose the Uninstall option.
7. Restart the Windows and attempt to re-download the updates.

Run DISM and SFC Scans

1. Open CMD and run it as an administrator.
2. Enter the command sfc /scannow
3. Let the scan complete and solve the errors.

In case the above steps do not work, you can make use of the DISM utility:

1. Open the CMD and run it as an administrator.
2. Enter the command: DISM /Online /Cleanup-Image /RestoreHealth
3. Now let the scanner scan for error and fix it.

Reset Windows Update Components via CMD

1. Open the CMD and run it as an administrator.
2. Enter the command and press Enter after every command:
   net stop wuauserv
net stop cryptSvc
net stop bits
net stop msiserver
ren C:WindowsSoftwareDistribution SoftwareDistribution.old
ren C:WindowsSystem32catroot2 Catroot2.old
net start wuauserv
net start cryptSvc
net start bits
net start msiserver

Check the Drivers

Faulty drivers can also be the culprit behind this error on your Windows 10. To fix this, follow the below steps:

1. Open Start menu.
2. Right-click on the start menu and then select the Device Manager.
3. Head over to the Display adapters field.
4. In the NVIDIA driver, choose the Uninstall Device.
5. Now you need to choose the ‘Delete the driver software for this device’ option.
6. Then click on the Uninstall option.
7. Restart the system.
8. Again open the Device Manager.
9. Head over to the upper side of the screen, ‘select the Scan for hardware changes’ option.
10. Now, wait until Windows installs fresh drive drivers on your PC.