Fix OpenVPN Permission Denied on Tun Device - Resolve Port Already in Use Error in VS Code-OneDrive Files Stuck Not Syncing Download

Updated 2026-06-14 10:41:22macos-help
Fix OpenVPN Permission Denied on Tun Device - Resolve Port Already in Use Error in VS Code-OneDrive Files Stuck Not Syncing Download
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.