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Fix Microsoft Store Error 0x80073cf3 After Update - Diagnose 502 Bad Gateway Using Curl-Change Windows Update Port to Fix 'Already Allocated' Error

2026-06-13 17:57:58
Fix Microsoft Store Error 0x80073cf3 After Update - Diagnose 502 Bad Gateway Using Curl-Change Windows Update Port to Fix 'Already Allocated' Error

Result check

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

Next references

Fix Windows Update Configuration Not Working in Windows 10How to Fix Remote Desktop Connection Not Working in Windows 10Fix Windows Security Not Starting Automatically After BootHow to Clear Microsoft Store Cache to Fix Download ErrorsFix Windows Update Error 0x80072ee2: DNS and Network IssuesHow to Fix SSH Connection Timed Out on Linux