Fix 'ffmpeg command not found' in Docker Container - nvm Command Not Found After Setting Environment Variables-Windows Activation Backup Keys Not Showing? Fix
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.