WinSCP SFTP Permission Denied: Practical Fixes - Fix MySQL Connection Refused on Localhost-MongoDB Compass: Authentication Failed vs Connection Refused Explained

Updated 2026-06-14 16:33:59developer-tools
WinSCP SFTP Permission Denied: Practical Fixes - Fix MySQL Connection Refused on Localhost-MongoDB Compass: Authentication Failed vs Connection Refused Explained
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.