Knowledge base for software setup, errors, and daily tool work.

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....

Fix Nginx Config Test Failed: Permission Denied

When you run nginx -t and see permission denied, the config file syntax...

How to Clear SSH Known Hosts and Fix Host Key Verification Failed

Fix Windows Search Stuck in Login Loop

If Windows keeps returning to the login screen after you enter your password, the Search process ...

Fix 'Windows Update Command Not Found' in PowerShell

You open PowerShell, type a Windows Update command like Get-WUInstall or wuauc...