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Fix 'Microsoft Teams Proxy Authentication Required' Error - How to Fix Microsoft Store Stuck in Login Loop on Windows 11-Windows Defender High Memory Fix

Updated 2026-06-14 11:07:42browser-issues
Fix 'Microsoft Teams Proxy Authentication Required' Error - How to Fix Microsoft Store Stuck in Login Loop on Windows 11-Windows Defender High Memory Fix
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.