Clear PowerShell Command Cache After Module Update - Windows Defender Registry Repair Guide for Failed Start-Fix Outlook Data File Sync Error: Cannot Access

Updated 2026-06-15 11:23:54office-tools
Clear PowerShell Command Cache After Module Update - Windows Defender Registry Repair Guide for Failed Start-Fix Outlook Data File Sync Error: Cannot Access
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.