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Home / macos-help / How to Fix PowerShell Service Unavailable Error - Fix Windows Activation Error 0x803fa067 – Step-by-Step Guide-Windows Terminal DNS Lookup Failure Fix

How to Fix PowerShell Service Unavailable Error - Fix Windows Activation Error 0x803fa067 – Step-by-Step Guide-Windows Terminal DNS Lookup Failure Fix

Updated 2026-06-13 20:33:24macos-help
How to Fix PowerShell Service Unavailable Error - Fix Windows Activation Error 0x803fa067 – Step-by-Step Guide-Windows Terminal DNS Lookup Failure Fix
Likely symptom
Likely cause
Safe rollback

Verification route

  • Repeat the original action, not only a simplified test case.
  • Restart the app or reload the service after configuration changes.