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Fix 'Port Already Allocated' Error When Microsoft Store Won't Open - Microsoft Store Token Expired: Windows 11 Troubleshooting Guide-How to Set Up Outlook on a New Computer

Updated 2026-06-14 17:08:13windows-fixes
Fix 'Port Already Allocated' Error When Microsoft Store Won't Open - Microsoft Store Token Expired: Windows 11 Troubleshooting Guide-How to Set Up Outlook on a New Computer
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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