Fix PowerShell Execution Policy Error on Startup - Windows Defender Module Missing – How to Restore-Error 0x80041318: Task Scheduler XML Version Mismatch

Updated 2026-06-18 09:52:23macos-help
Fix PowerShell Execution Policy Error on Startup - Windows Defender Module Missing – How to Restore-Error 0x80041318: Task Scheduler XML Version Mismatch
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.