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

Fix Windows Store Error 0x80073cf9 – Setup Guide

When you see error 0x80073cf9 in the Windows Store, it usually appears during app installation or...

Fix kubectl Apply Forbidden in AKS: Permission Denied

How to Fix kubectl Context Not Found Error

Fix VS Code Terminal Not Opening Due to Shell Path Issue

You click the terminal panel in VS Code, but nothing happens—or it flashes and disappears. This i...

Fix PuTTY Network Error: Connection Refused on Ubuntu

When you try to connect to an Ubuntu machine using PuTTY and see "Network error: Connection refus...

Fix pip SSL Certificate Verify Failed Behind Proxy

When running pip install behind a corporate proxy, you may see an error like S...