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Fix Windows Update Version Mismatch: Setup Guide - Fix 0x80072efd in Microsoft Store: DNS and Cache-Troubleshooting Outlook 504 Gateway Timeout

2026-06-14 04:54:44
Fix Windows Update Version Mismatch: Setup Guide - Fix 0x80072efd in Microsoft Store: DNS and Cache-Troubleshooting Outlook 504 Gateway Timeout

Result check

  • Keep one change per test run so you know which step helped.
  • Undo temporary changes after the issue is confirmed.