zhizhu
Home / windows-fixes / Fix Windows Defender Service Not Starting (Connection Refused) - Outlook Data File Access Error Due to Sync: Fix-Windows Update Error 0x800f0922: Step-by-Step Fixes

Fix Windows Defender Service Not Starting (Connection Refused) - Outlook Data File Access Error Due to Sync: Fix-Windows Update Error 0x800f0922: Step-by-Step Fixes

2026-06-13 14:48:14
Fix Windows Defender Service Not Starting (Connection Refused) - Outlook Data File Access Error Due to Sync: Fix-Windows Update Error 0x800f0922: Step-by-Step Fixes

Result check

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