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

Command Prompt Setup Guide for Beginners

What is Command Prompt?

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

Fix Microsoft Store Cache Clear Not Working

If you've tried clearing the Microsoft Store cache using the built-in method (wsreset.exe) and no...

Windows Activation Key Not Recognized on Ubuntu Dual Boot

If you installed Ubuntu alongside Windows and now your Windows activation key is not recognized, ...

Fix 'PowerShell Invalid Configuration in Registry' Error

If you see an error like “PowerShell Invalid Configuration in Registry” when launching PowerShell...

How to Fix Windows Search 502 Bad Gateway Error

If you see a 502 Bad Gateway error when using Windows Search, it usually means the search service...

Fix Chrome Resolution Too Small on Ubuntu

If Chrome appears unusually small on Ubuntu—tiny text, cramped tabs, or icons that are hard to cl...