Fix Windows Terminal Proxy Authentication Failed - Fix 'Command Not Found' Error on Mac Terminal-Fixing PowerShell Remote Execution Failures on a Network

Updated 2026-06-14 12:32:08security-tools
Fix Windows Terminal Proxy Authentication Failed - Fix 'Command Not Found' Error on Mac Terminal-Fixing PowerShell Remote Execution Failures on a Network
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.