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 Set Up Python Path to Fix Module Not Found in CMD
You run a Python script in Command Prompt and get ModuleNotFoundError: No module named 'som...
How to Fix Windows Defender Access Denied Error
If you see an "Access Denied" error when trying to open Windows Defender or run a scan, it usuall...
How to Fix Windows Update Stuck at Checking for Updates
You open Windows Update, and it sits on “Checking for updates” for 30 minutes or more. This is a ...
Fix Chrome ERR_TUNNEL_CONNECTION_FAILED Caused by Antivirus
When Chrome shows ERR_TUNNEL_CONNECTION_FAILED, it usually means a secure tunnel...
How to Fix BitLocker Proxy Error
If you see a BitLocker proxy error when trying to enable or manage BitLocker, it usually means th...
Topic paths
Quick titles
Fix Task Scheduler Slow Performance on Windows 10Troubleshoot Task Scheduler Hang IssuesWindows Search Invalid Configuration Recovery StepsSync Windows Terminal Settings Between PCsConfiguring Proxy Settings in ChromeTroubleshooting SSH Timeout in VSCodeHow to Resolve Secret Access Denied in GitHub ActionsHow to Fix Store Error 0x80073cf9 Sync Problems