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Fix Microsoft Store Error 0x80070424: Authentication Failed - Microsoft Store Version Mismatch After Update Fix-Fixing Windows Security Connection Timeout on Sign-In

Updated 2026-06-14 06:38:52cloud-software
Fix Microsoft Store Error 0x80070424: Authentication Failed - Microsoft Store Version Mismatch After Update Fix-Fixing Windows Security Connection Timeout on Sign-In
Likely symptom
Likely cause
Safe rollback

Verification route

  • Repeat the original action, not only a simplified test case.
  • Restart the app or reload the service after configuration changes.