zhizhu
Home / developer-tools / Fix Windows Defender Real-Time Protection Grayed Out - Port Already Allocated Error in Windows 10 Scheduled Tasks-How to Fix RDP Error 0x4 Settings Reset

Fix Windows Defender Real-Time Protection Grayed Out - Port Already Allocated Error in Windows 10 Scheduled Tasks-How to Fix RDP Error 0x4 Settings Reset

2026-06-14 02:02:13
Fix Windows Defender Real-Time Protection Grayed Out - Port Already Allocated Error in Windows 10 Scheduled Tasks-How to Fix RDP Error 0x4 Settings Reset

Result check

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