Error 0x803c0103 when Windows updating – How to fix?

What is Error 0x803c0103

Error code 0x803c0103 usually occurs during the update process of Windows 7.8 or Windows 10. It is similar to some of the following errors: 0x80070057, 0x8007042b or 0x80070005.

Each error code can be caused by many different causes, it provides a starting point for us to find the right solution.

The cause of Error 0x803c0103

There are many possible causes for error 0x803c0103. Installing, removing some software incorrectly leads to some system files being corrupted. Configure automatic updates for Windows incorrectly or your computer is infected with a virus or malware – all of them can be the cause of error 0x803c0103.

Some ways to fix the error 0x803c0103

Method 1

Step 1. Click Start or press Windows key on your keyboard.

Step 2. In the search box, type Troubleshooting then View all.

Step 3. Run Windows Update troubleshooter.

Method 2

You can restore your computer to the previous time

Step 1. Start your computer, press Windows key then select All Programs -> Accessories -> System Tools -> System Restore.

Step 2. Select “Restore my computer to an earlier time”  and then click Next.

Step 3. “On this list, click a restore point” list please select the most recent system restore point. Click Next on the confirmation window.

Step 4. Restart your computer to complete.

If the above does not help you fix the 0x803c0103 error, try visiting the Microsoft help center. If your computer encounters some other error, look for them on

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