1) There are log collectors used in another forum. Run both V2 and DM log collectors > upload share links into this thread:
2) List and uninstall all non-Microsoft antivirus software
3) List and uninstall all non-Microsoft firewall software
4) List all Microsoft and non-Microsoft drive encryption software.
5) Find a flash drive that you can format (> or = 8 GB).
If not, try the next fix, read on. Windows 10 update error 0x80070003 is also caused by this Windows Update service. If our own Windows Update troubleshooter didn’t fix this issue, restart the Windows Update service. Here’s how: Press the Windows logo key and R on your keyboard at the same time to open the Run dialog box.
I looked at the SetupAct.log and saw that Windows did indeed copy the files from the user file. Failed to copy Application Data\Microsoft\Forms resulting in error 0x80070003. I used to know this from the “setuperr.log” type.
We understand that you are making a mistake when publishing to Windows on 1903. Surely you have tried running the DISM command, deleting the SoftwareDistribution folder and running the Windows Update Wizard. However, the best option to update Windows is a repair installation.
What to do if you get Windows Update error 0x80070003?
When you encounter Windows Update error 0x80070003, delaying Windows Update troubleshooting is often the quickest and easiest way to fix the problem accurately. The Windows Update troubleshooter is often a built-in feature designed to fix any update error code. The following guide will help you run the Windows Update Troubleshooter normally:
What is error code 0x80070003 in Windows 10?
Error 0X80070003 occurs when some of the files provided by Windows Update are missing. To resolve the update issue, let’s run the Windows Update troubleshooter. This tool is designed to scan and fix issues found while updating your PC.
What is error code 0X80070003 in Windows 10?
Error 0X80070003 sometimes occurs when files are missing from this Windows Update. To better troubleshoot the update we’re reviewing, we suggest running the Windows Update troubleshooter. This tool is designed to find and fix issues found while updating your PC.

Ermias is a tech writer with a passion for helping people solve Windows problems. He loves to write and share his knowledge with others in the hope that they can benefit from it. He’s been writing about technology and software since he was in college, and has been an avid Microsoft fan ever since he first used Windows 95.