Fix ERESOLVE Error in npm ci for Production Builds - Troubleshooting Windows Activation Code 0x80070002-How to Resolve Store Error 0x80073cf9 on Windows 10/11
Before changing system settings, save your work and note the exact error text so you can compare results after each step.
Extra verification checklist
- Restart the affected app after changing permissions or configuration files.
- Test the same workflow in a clean browser profile or a temporary user account.
- Compare the result on another network if the error may be connection related.