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

Fix PowerShell Blank Screen on Windows 11

If you open PowerShell on Windows 11 and see nothing but a blank window—no prompt, no text—the sh...

How to Import SSL Certificates in Postman: Troubleshooting Guide

When Postman fails to import an SSL certificate, you typically see errors like 'unable to get loc...

Command Prompt Setup Guide for Beginners

What is Command Prompt?

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

Fix WSL Ubuntu resolv.conf Reset on Every Reboot

If you run Ubuntu on WSL and you've manually edited /etc/resolv.conf to set custom D...

How to Fix Connection Refused in Windows Terminal

You open Windows Terminal, try to connect to a remote server via SSH or launch a local service, a...

Create a New Firefox Profile When Your Old One Goes Missing

If Firefox fails to start or you see a message that your profile is missing, it's often due to a ...