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Fix Chrome ERR_TUNNEL_CONNECTION_FAILED on Windows 10 - Clear DNS Cache for Windows Update Issues-Fix Windows Terminal settings.json Syntax Errors

2026-06-13 13:00:55
Fix Chrome ERR_TUNNEL_CONNECTION_FAILED on Windows 10 - Clear DNS Cache for Windows Update Issues-Fix Windows Terminal settings.json Syntax Errors

Result check

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

Next references

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