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

Fix 'npm command not found' on Linux

When you type npm in the terminal and get command not found, it usually...

Command Prompt Setup Guide for Beginners

What is Command Prompt?

Command Prompt is a text-based interface in Windows that lets you...

Fix Windows Command Prompt Blank Cursor Not Showing

You open Command Prompt, type a command, but see no blinking cursor or only a blank rectangle. Th...

Fix Windows Terminal Certificate Validation Not Working

You open Windows Terminal to connect to a remote server or use a tool that depends on HTTPS, and ...

How to Fix Windows Search Not Opening Automatically

If Windows Search doesn't open when you click the taskbar icon or press the Windows key and start...

Fix PowerShell 502 Bad Gateway Certificate Errors

When you run a PowerShell script that makes an HTTPS request, you might see a 502 Bad Gateway err...