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 listWindows Terminal Offline Installer Missing Dependencies Fix
When you try to install Windows Terminal using an offline installer, you might see errors about m...
Fix 'Windows Update Auto Start Service Not Found' Error
You may see a message that the Windows Update auto-start service is not found, often when trying ...
Fix Windows Security Connection Refused Due to Firewall Settings
When Windows Security shows a 'connection refused' error, it often means the Windows Defender Fir...
Fix 'Connection Refused' Error When Command Prompt Not Working
You type a command in Command Prompt and get "connection refused" or "No connection could be made...
Fix BitLocker Error 0x8031004b After Settings Reset
If you see error 0x8031004b when trying to unlock or enable BitLocker after a settings reset, it ...
Topic paths
Quick titles
How to Restore Windows Search After Moving FilesNginx 502 Error in Docker: Causes and SolutionsFix Microsoft Teams Microphone Not Working in MeetingsFix Windows Activation Loading Forever 0%Outlook Offline Installer Troubleshooting: Configuration FailedMicrosoft Store Not Opening After Windows UpdatePowerShell High CPU Permission Denied FixWindows Update Error 0x80070020 Fix Guide