Fix Windows Security 'Failed to Start' Group Policy Error - Command Prompt Module Not Found Error Guide-Fix Outlook IMAP Settings Connection Refused

Updated 2026-06-18 13:50:16cloud-software
Fix Windows Security 'Failed to Start' Group Policy Error - Command Prompt Module Not Found Error Guide-Fix Outlook IMAP Settings Connection Refused
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.