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Fix Windows Defender Real-Time Protection Not Turning On After Update - Windows 11 Install Assistant Frozen at 99% Fix-Chrome NET::ERR_CERT_AUTHORITY_INVALID Troubleshooting

2026-07-28 11:29:33
Fix Windows Defender Real-Time Protection Not Turning On After Update - Windows 11 Install Assistant Frozen at 99% Fix-Chrome NET::ERR_CERT_AUTHORITY_INVALID Troubleshooting

Result check

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