Fix PowerShell Set-ExecutionPolicy RemoteSigned Not Working - Fix Windows Defender Version Mismatch During Setup-Real-Time Protection Greyed Out – Quick Fixes

Updated 2026-06-13 13:33:10developer-tools
Fix PowerShell Set-ExecutionPolicy RemoteSigned Not Working - Fix Windows Defender Version Mismatch During Setup-Real-Time Protection Greyed Out – Quick Fixes
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.