Fix Windows Defender Connection Refused Error 0x80070005
When you open Windows Defender (Microsoft Defender Antivirus) and see a connection refused error ...
Checklists for software errors, setup, and tool workflows.
1. Reproduce
2. Isolate
3. Apply
4. Verify
Latest checklists
View listEnable Windows Defender Command Line Tools: A Practical Guide
If you need to run Windows Defender scans or update definitions from the command line, you'll use...
Fix Missing Command Prompt After Windows Update
After a Windows update, you might find that Command Prompt is missing from the Start menu, right-...
Fix Windows Activation Invalid Configuration via Command Prompt
You might see an error like “Windows Activation: Invalid product key or configuration” after a ha...
Fix Windows Update 'Path Not Found' Error
When running Windows Update, you might see an error like 0x80070003 - Path Not Found...
How to Fix Chrome Not Downloading Files on Mac
You click a download link in Chrome on your Mac, and nothing happens—or the file starts but never...
Topic paths
Quick titles
OpenVPN Connection Failed: Check Firewall SettingsFix Chrome Profile 404 Error via Command LineFix ERR_TUNNEL_CONNECTION_FAILED in Chrome on MacFix Windows Activation Error: Permission DeniedGitLab Runner Not Picking Jobs: DiagnosisOutlook Add-in Causing High CPU? Here's How to Fix ItRemote Desktop Setup Checklist for Windows 10How to Change PowerShell Execution Policy Machine-Wide