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Fix Outlook High Memory Usage & Error 0x80040600 - A Practical Guide to Microsoft Store Settings-Using netstat and taskkill to Fix Port Conflicts

Updated 2026-06-13 23:47:33developer-tools
Fix Outlook High Memory Usage & Error 0x80040600 - A Practical Guide to Microsoft Store Settings-Using netstat and taskkill to Fix Port Conflicts
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.

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