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 listHow to Fix Chrome Update Error 12 on Mac
You try to update Google Chrome on your Mac, but an error message appears: "Update failed (error:...
Fix Windows Search Network Error After Update
After a recent Windows update, you might see a network error when using Windows Search—for exampl...
Fix Chrome Profile Dependency Conflict by Deleting Profile
If Chrome shows a "profile dependency conflict" error or refuses to open your profile, the quicke...
Fix Microsoft Store Sign-In Loop After Update
After a Windows update, some users get stuck in a sign-in loop in the Microsoft Store: they enter...
Fix Remote Desktop Connection Refused Due to Network Issues
When you try to connect to a remote PC and see "connection refused," it often means the network p...
Topic paths
Quick titles
How to Move Microsoft Store Apps to a Different DriveChrome Profile Version Mismatch FixAntivirus Interference with Windows Update 404 ErrorFix 'PowerShell Not Recognized as Internal or External Command'How to Fix Outlook High CPU Usage Caused by Add-insHow to Resolve Windows Update File Locked Registry ErrorFix Windows Defender After Update: Step-by-StepFix Windows Defender Connection Refused on Windows 10