Windows Update Not Working on Ubuntu Dual Boot: Fixes - Fix Chrome DNS Errors: Clear Cache, Flush DNS, and More-How to Fix Empty Log Files in CMD
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.