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PowerShell Version Mismatch: A Sysadmin Checklist - How to Stop PowerShell Crashing on Startup-Fix Windows Defender Invalid Configuration Error 0x800705b4

2026-06-13 23:11:50developer-tools
PowerShell Version Mismatch: A Sysadmin Checklist - How to Stop PowerShell Crashing on Startup-Fix Windows Defender Invalid Configuration Error 0x800705b4

Final checklist

  • Confirm that the same symptom is gone after a restart or refresh.
  • Keep the smallest working change and undo temporary diagnostic settings.