Fix Windows 10 upgrade error 0x800700c1

Windows Update or upgrade to the latest version fails with an error 0x800700c1. Users reported, when they are trying to upgrade to the latest version, it fails with the error 0x800700c1. Error appears as “Feature update to Windows 10, version 1903 fails. Error 0x800700c1.”

Most commonly found the cause of this Windows upgrade error 0x800700c1 is the Internet connectivity issues and the faulty Anti-Virus program. The error is observed while upgrading the computer to V1809 as well as the V1903. If you are facing this error on your computer, you can perform the below steps and install the updates without any error.

The error also appears as below

How to fix Windows 10 upgrade error 0x800700c1?

Quick Note: Suggest you to create a System Restore point before proceeding with the resolution steps. If something goes wrong during the troubleshooting, you can restore your computer back to previous working state.

Check Internet connectivity:

Windows 10 upgrade or update process requires a high-speed Internet connection. If the Internet speed is slow or the connection is unstable, the upgrade process fails with the error 0x800700c1. So, make sure that the Internet connection is proper and has a good speed.

You can check your Internet speed using the below link.

Check your Internet speed here.

If the Internet speed is good, you can try connecting the cable Internet connection and try upgrading the Windows. After that, try to install the updates. If the error 0x800700c1 prompts, you can proceed with the further resolution steps.

Disable or Re-install Anti-Virus program:

Faulty or corrupted Anti-Virus program does not allow you to download and install the updates manually. If you have purchased any Anti-Virus program and installed in your computer, you can try disabling it and install the updates. If it works fine, then you can try re-installing the Anti-Virus program.

Refer the below links to disable and to re-install the Anti-Virus application in your computer.

How to disable Anti-Virus program on Windows 10?

List of Anti-Virus removal tools.

After disabling or uninstalling the Anti-Virus application, try running the Windows Updates. It should work fine this time without the error 0x800700c1. If the issue continues to prompt, you can use the Media Creation Tool to upgrade the computer to the latest version. You can refer the below steps to perform the same.

Upgrade computer using Media Creation Tool to fix upgrade error 0x800700c1:

If the above resolution steps did not work, you can use Media creation Tool to download all the available updates and install them without any errors. You can download the Media Creation Tool from the below link.

Download Media Creation Tool

Follow the on-screen instructions after accepting the Terms & Conditions. Select the option Upgrade this now when prompted and click on Next.

Upgrade process will take several minutes to complete and it will install all the available updates in your computer.

By following the above troubleshooting steps, you can fix the issue with Windows 10 upgrade error 0x800700c1 on your computer. For further support or if you need any assistance, do comments below. We are happy to assist you.

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