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Fixing ERR_SSL_PROTOCOL_ERROR Certificate Issues - Troubleshooting Windows Defender Launch Issues-Check PowerShell Version Before Running Scripts

2026-06-16 20:23:11
Fixing ERR_SSL_PROTOCOL_ERROR Certificate Issues - Troubleshooting Windows Defender Launch Issues-Check PowerShell Version Before Running Scripts

Result check

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