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Fix Windows Defender Threat Service Stopped After Update - Nginx Config Test Failed: server_names_hash Bucket Size Fix-Windows Update Settings Greyed Out – Causes and Fixes

2026-06-13 14:18:30
Fix Windows Defender Threat Service Stopped After Update - Nginx Config Test Failed: server_names_hash Bucket Size Fix-Windows Update Settings Greyed Out – Causes and Fixes

Result check

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