Error Code 0x80070003 appears when running Update Windows 10 (Especially on versions 20H2, 2004). The notice is similar to the following:

    "Some update files are missing or have problems. We'll try to download the update again later. Error code: (0x80070003)"

The above error is usually related to Windows patches and updates: kb4586876, kb4598242 and kb4592438.
This article we will guide you to fix the above error when Update Windows 10.

How to do:

Fix Error Code 0x80070003

Please follow the steps below:

Step 1: Run Troubleshoot Windows Update

1. Go to Settings > Update & Security > Troubleshoot
2. On the right hand side of the screen, navigate to Windows Update (Resolve problems that prevent you from updating Windows) > Run the troubleshooter.

Then the program will run automatically. All you need to do is wait until the processing is finished.

Step 2: Download, install the kb4586876, kb4598242 and kb4592438 update patches on the Microsoft Update catalog.

Access link:

In the list of updates, please download and install the appropriate version for your computer. As shown below, the fixes are for Windows 20H2 and 2004 versions. However, as noted by Microsoft, it may be suitable for versions 190 and later.

After completing Step 2, check to see if the error has been fixed. If performing the above 2 steps has not cleared the error, please do the following 2 steps:

Step 3: Use the Microsoft Update Assistant to update to the latest version.

Access link:

It is possible that your current version is old, or some update is missing, resulting in 0x80070003 error message. Please use the Microsoft Update Assistant to update to the latest version.

Step 4: Use the Media Creation Tool.

Access link:

In addition to using the Microsoft Update Assistant, try using the Media Creation Tool to update Windows. 

In addition, if you have any problems with your computer, please contact us directly through the QTitHow fanpage. We will try to help and answer you as soon as possible. Thank you!

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