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Fix Windows Defender SSL Certificate Error - OneDrive Sync Error 404 Not Found: Causes and Fixes-Nginx Permission Denied on Restart: Common Fixes

2026-06-18 19:02:47cloud-software
Fix Windows Defender SSL Certificate Error - OneDrive Sync Error 404 Not Found: Causes and Fixes-Nginx Permission Denied on Restart: Common Fixes

Final checklist

  • Confirm that the same symptom is gone after a restart or refresh.
  • Keep the smallest working change and undo temporary diagnostic settings.