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Fix PowerShell Not Opening After Windows Update - How to Fix MpCmdRun Command Not Found-Enable Windows Defender via Group Policy: Step-by-Step Guide

2026-06-14 04:43:26
Fix PowerShell Not Opening After Windows Update - How to Fix MpCmdRun Command Not Found-Enable Windows Defender via Group Policy: Step-by-Step Guide

Result check

  • Keep one change per test run so you know which step helped.
  • Undo temporary changes after the issue is confirmed.