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Windows Defender Version Mismatch: Practical Fix Checklist - Resolve ERR_SSL_PROTOCOL_ERROR on Windows 10-Jupyter Notebook Token Error Troubleshooting

2026-06-13 14:08:57
Windows Defender Version Mismatch: Practical Fix Checklist - Resolve ERR_SSL_PROTOCOL_ERROR on Windows 10-Jupyter Notebook Token Error Troubleshooting

Result check

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