How to Fix PowerShell Version Mismatch Error - Enable and Run MpCmdRun for Windows Defender-How to Restart Windows Defender Threat Service

Updated 2026-06-13 21:54:38windows-fixes
How to Fix PowerShell Version Mismatch Error - Enable and Run MpCmdRun for Windows Defender-How to Restart Windows Defender Threat Service
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.