zhizhu
Home / developer-tools / Fix Windows Defender Error 0x80070422: Cannot Connect - How to Fix DNS Server Not Responding During Windows Update-PowerShell Not Starting on Boot Fix

Fix Windows Defender Error 0x80070422: Cannot Connect - How to Fix DNS Server Not Responding During Windows Update-PowerShell Not Starting on Boot Fix

Updated 2026-06-13 16:52:21developer-tools
Fix Windows Defender Error 0x80070422: Cannot Connect - How to Fix DNS Server Not Responding During Windows Update-PowerShell Not Starting on Boot Fix
Likely symptom
Likely cause
Safe rollback

Verification route

  • Repeat the original action, not only a simplified test case.
  • Restart the app or reload the service after configuration changes.

More repair notes

Lower Windows Terminal Memory Usage: Practical FixesHow to Fix Windows Security Migration Failed ErrorFix Chrome ERR_TUNNEL_CONNECTION_FAILED Caused by AntivirusFix 'Windows Activation Command Not Found in CMD' ErrorFixing 'docker compose build --no-cache' Not WorkingFixing Composer Memory Limit Errors with Large Dependencies