Step 1: Click the Start button and then click Settings. Choose Update & Security.
Step 2: Go to the Troubleshoot tab, click Windows Update, and then click Run the troubleshooter.
Step 3: Wait until the process to finish and then follow the instructions on the screen to fix error code 0x80070003.
Step 4: Update your system again to check if the error is fixed.
Update 1809, update failed. Error coupon code:: (0x80070003) Windows10. Note. Before making major changes to your structure, make sure you have an up-to-date Windows disk image, e.g. Macrium Reflect (free), which is often recommended here. Then, if something goes wrong, you have a backup package.
We understand that you may receive an error message when updating Windows to 1903. As you mentioned, you have tried running the DISM command, deleting the SoftwareDistribution folder, and running the Windows Update Wizard. However, the best option for updating Windows is to perform a repair installation.
If you need help troubleshooting problems with Windows Update in Windows 10, see Someone had trouble fixing updating Windows 10 settings. A common cause of the error is usually low disk space. If you need help freeing up disk space, check out Tips for freeing up disk space on your PC.
What to do if you get Windows Update error 0x80070003?
When you encounter Windows Update error 0x80070003, running the Windows Update troubleshooter is the quickest and easiest way to fix the problem. The Windows Update Troubleshooter is a great built-in feature that aims to fix any update error code. Follow the instructions to run the Windows Update troubleshooter in normal mode:
What is error code 0x80070003 in Windows 10?
Error 0X80070003 occurs when some files are missing from Windows Update. To resolve the update issue, we recommend that you run the Windows Update troubleshooter. This tool is designed to analyze and fix issues found while updating your computer.
What is error code 0X80070003 in Windows 10?
Error 0X80070003 appears when some files are missing from Windows Update. To help users resolve the update issue, we suggest running the Windows Update troubleshooter. This tool is designed to additionally scan and fix problems found when updating any 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.