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Windows Defender Not Working After Update: Checklist - Troubleshooting Windows Terminal JSON Syntax Errors-How to Fix Connection Refused in Windows Security

2026-06-13 16:30:21
Windows Defender Not Working After Update: Checklist - Troubleshooting Windows Terminal JSON Syntax Errors-How to Fix Connection Refused in Windows Security

Result check

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