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 listHow to Resolve Port Conflicts in Windows Terminal
You start a service or application in Windows Terminal and see an error like "port already in use...
Fix BitLocker Port Already Allocated Error After Update
After a Windows update, some users see a BitLocker error saying the port is already allocated. Th...
Fix PowerShell Access Denied for Set-ExecutionPolicy
When you try to change the execution policy in PowerShell with Set-ExecutionPolicy a...
Fixing Windows Security Connection Timeout Error 0x800705b4
If you see error code 0x800705b4 when opening Windows Security or trying to run a scan, it usuall...
Fix Windows Activation Not Connecting to Server
You try to activate Windows, but you see an error saying it can't connect to the activation serve...
Topic paths
Quick titles
Fix Windows Search Service Not RunningRemote Desktop Connection Timeout: A Troubleshooting ChecklistWindows Defender Real-Time Protection Keeps DisablingTroubleshoot Chrome Not Launching at StartupHow to Clear Chrome Cache and Cookies for TroubleshootingBlank Command Prompt Output: Troubleshooting GuideHow to Clear Windows Terminal Cache Without Permission ErrorsWireGuard NAT Issues: Handshake Not Completing