zhizhu
Home / developer-tools / Fix Windows Defender Service Not Starting (Error 0x80070422) - Fix Microsoft Store Error 0x80072efd (Network Problem)-Reduce Windows Defender CPU Load

Fix Windows Defender Service Not Starting (Error 0x80070422) - Fix Microsoft Store Error 0x80072efd (Network Problem)-Reduce Windows Defender CPU Load

2026-06-13 16:24:21
Fix Windows Defender Service Not Starting (Error 0x80070422) - Fix Microsoft Store Error 0x80072efd (Network Problem)-Reduce Windows Defender CPU Load

Result check

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

Next references

Fix Windows Defender High Memory Usage and Permission Denied ErrorsFix Go Proxy Not Working with Private RepositoryFix VSCode Python Interpreter Not Found on LinuxFix Windows Activation Command Not Found ErrorHow to Resolve Port Conflicts with Windows Defender FirewallFix Windows Update 'Permission Denied' Errors