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Fix Windows Security DNS Errors After a Windows Update - Fix Microsoft Teams Invalid Configuration Error-WireGuard Handshake Failure: Config Checks

Updated 2026-06-14 05:24:30browser-issues
Fix Windows Security DNS Errors After a Windows Update - Fix Microsoft Teams Invalid Configuration Error-WireGuard Handshake Failure: Config Checks
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.