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

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...

How to Fix Windows Terminal Not Opening

When Windows Terminal fails to open—no window, no error, or a brief flash—it's usually due to a c...

Reset Microsoft Store Using wsreset Command

Stop Command Prompt High CPU Usage When Idle

You open Task Manager and see Command Prompt (cmd.exe) using 20-40% CPU, even though no windows a...

Fix 'Rate Limit Exceeded' Error During Windows Activation

You try to activate Windows, but you get a message saying “Rate limit exceeded. Please tr...