Users trying to install a Windows Update on their Windows PC may run into the Windows Update Error 80070103. This windowsupdate_80070103 error may appear as different message in your Windows Os operating systems 7, 8, 8.1 and 10 stating any of the following:

• Windows could not search for new updates. An error occurred while checking for new updates for your computer
• Error(s) found: Code 80070103 Windows Update encountered an unknown error
• Windows Update ran into a Problem.

Causes Of Windows Update Error 80070103

Here are several possible reasons why Windows update error 80070103 can occur:-
• You are trying to install an incompatible driver over one that already exists for a particular device.
• Another reason you may encounter this error is that there is a problem with Windows Update.

In both cases, there will be some manual intervention required from you to proceed with the task and restore your system. Here are some recommended methods you should try to resolve the problem on your own.

Method 1: Update device drivers using Windows Update to fix Error code 80070103
• Click the Start or Windows button.
• Search for Windows Update.
• In the pane, navigate to Check for Updates.
• Look under each recommended update to look for which one mentions an update to a driver.
• Select the checkboxes against the drivers you wish to install.
• On the Windows Update page, choose Install Updates.
• Restart your computer to let the changes take effect.

Method 2: Manually update the drivers
If the driver you are trying to install is incompatible compared to the driver already installed on your system, Error code 80070103 will pop up. In this case, you can try manually installing the driver.
• In the Start menu, search for devmgmt.msc.
Open this Device Manager window and expand the driver in question.
• Right click on the item in the list and select Update Driver.
• Restart the system to let the changes take effect.

Method 3: Hide Update
This issue can be safely ignored. As Microsoft suggests that you can hide updates so it will not offer in the future again.
• Click the Start or Windows button.
• Search for Windows Update.
• Click to check for updates
• Click on the  Optional updates are available.
• Right-click on the update you need to hide before clicking on • Hide update or Don’t show this update again
• Complete by clicking to install remaining updates, Restart the system to let the changes take effect.

Method 4: Reinstall the device drivers
If manually updating the drivers does not work, you may need to reinstall the device drivers.
• In the Start menu, search for devmgmt.msc.
• Open this Device Manager window and expand the driver in question.
• Right click on the item in the list and select Uninstall.
• Restart the system to let the changes take effect.
• Open your web browser and visit the site of the device manufacturer.
• Install the correct driver from the site.
• Restart your system to let the changes take effect.

Method 5: Run the Windows Update Troubleshooter
The Windows Update Troubleshooter is used to help detect any errors with running a Windows update. You can run the Windows Update troubleshooter to fix Error Code 80070103 by following the steps below:
• Click the Windows button on the taskbar and click the Settings icon to open the Control Panel.
• Use the Search option in the Control Panel to enter the word Troubleshoot.
• From the search results, select the Troubleshoot option that lets you navigate to Windows Update.
• Choose the button to Run the troubleshooter. You can run this as an administrator by entering your credentials when you are prompted.
• Follow the onscreen directions to complete troubleshooting the Windows Update feature.

ERROR CODE 80070103
These methods should help to resolve the issue of Windows Update Error 80070103 on your computer. If you still face the error, you are recommended to do a full check of your system hardware, or Reach us to fix Error code 80070103.