How to Fix Windows Security DNS Error 0x800704cf
You might see error 0x800704cf when opening Windows Security or trying to update Windows Defender...
Checklists for software errors, setup, and tool workflows.
1. Reproduce
2. Isolate
3. Apply
4. Verify
Latest checklists
View listRemote Desktop Slow Performance Troubleshooting Guide
Remote desktop sessions that lag, stutter, or freeze can make work nearly impossible. Before givi...
How to Repair the Windows Search Indexer Service
If Windows Search stops returning results, takes forever to find files, or shows no results at al...
Fix Windows Security High Memory Usage
If you notice Windows Security (formerly Windows Defender) using excessive memory—sometimes hundr...
Fix 'schtasks' Command Not Found After Windows Update
After a Windows update, you may see 'schtasks' is not recognized as an internal or external...
Fix Outlook Version Mismatch Registry Error
You open Outlook and see an error about a version mismatch, or Outlook won't start because of a r...
Topic paths
Quick titles
Troubleshoot Missing Windows Terminal ProfilesResolve OneDrive Permission Denied and Throttling IssuesTransfer Chrome Profile Between MacsChrome Extension Not Loading on Windows 10Fix Chrome Profile Reset Stuck on Settings ScreenFix Windows Defender Service Not Starting After UpdateTroubleshooting Microsoft Store Error Code 0x80073cf0Fixing Permission Denied in VSCode Remote SSH