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

Fix Windows Security App Blank White Screen

You open Windows Security and see nothing but a white screen. The app appears to load but no cont...

SSH Connection Timed Out on Port 22: Common Fixes

You try to SSH into a remote server, but the connection hangs and eventually fails with 'Connecti...

Checklist for Debugging 502 Bad Gateway in Command Prompt

You're working on a web app or API, and you get a 502 Bad Gateway error. The browser just says '5...

Fix Chrome ERR_TUNNEL_CONNECTION_FAILED When Using VPN

How to Disable Proxy for Microsoft Store

If the Microsoft Store won't load, download apps, or update, a misconfigured proxy is often the c...

Fix VS Code Remote SSH Connection Timeout: Configuration Guide

You're working in VS Code Remote – SSH, and suddenly the connection drops with a timeout error. T...