Set PATH Variable to Fix 'Command Not Found' in CMD - Troubleshooting Command Not Found Errors with Environment Variables-Windows Activation High CPU: Malware Check Guide
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.