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Firefox Secure Connection Failed Only on WiFi: Fixes - How to Clear DNS Cache After Changing DNS Servers-How to Fix 'index.lock file exists' in Git Rebase

2026-07-28 10:12:56
Firefox Secure Connection Failed Only on WiFi: Fixes - How to Clear DNS Cache After Changing DNS Servers-How to Fix 'index.lock file exists' in Git Rebase

Result check

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