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

How to Fix Windows Update Connection Refused by Antivirus

You click Check for updates in Windows, and instead of progress, you see an error like "Connectio...

Fix Chrome ERR_TUNNEL_CONNECTION_FAILED When Using VPN

Fix Windows Terminal High Memory Usage in Windows 11

You open Windows Terminal on Windows 11 and notice memory usage climbing to 500 MB or more, even ...

How to Run Command Prompt as Administrator in Windows 11

Many Windows 11 tasks—like fixing system files, resetting network settings, or editing the regist...

How to Fix Chrome Profile 502 Bad Gateway Error

If you see a "502 Bad Gateway" error in Chrome, especially after switching profiles or updating t...

Task Scheduler Best Practices Checklist for Reliable Automation

Task Scheduler is a reliable tool for automation, but misconfigurations can cause tasks to fail s...