How to Allow an App Through Windows Defender Firewall
If an app can't connect to the internet or network, Windows Defender Firewall may be blocking it....
Checklists for software errors, setup, and tool workflows.
1. Reproduce
2. Isolate
3. Apply
4. Verify
Latest checklists
View listFix 'Connection Refused' Error in Windows Security for Remote Desktop
When you try to connect to a remote PC via Remote Desktop and get a 'connection refused' error fr...
How to Fix Windows Terminal 404 Not Found Error
You open Windows Terminal and see a '404 Not Found' error, often when clicking a link or launchin...
Fix Windows Activation Error After Hardware Change
If you've recently replaced your motherboard, CPU, or other major hardware, you may see a Windows...
How to Fix Chrome Error 0xc0000022 on Windows
When you start Google Chrome on Windows and see error code 0xc0000022, the browser usually fails ...
How to Enable Windows Security Auto-Start in Windows 11
If you notice that Windows Security isn't opening automatically when you start Windows 11, or if ...
Topic paths
Quick titles
GitLab Runner Stuck in Pending Loop FixHow to Resolve Microsoft Store Error 0x80073cf6 Port ConflictHow to Fix OneDrive Blank ScreenMySQL Root Access Denied Troubleshooting GuideOffice 365 Admin Guide: Outlook Authentication Failed0x80072efd: Windows Security Cannot ConnectHow to fix npm command not found in Visual Studio CodeHow to Fix Command Prompt Rate Limit Errors with Firewall Settings