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

How to Fix 'Access Denied' When Setting Windows Security Permissions

When you try to change permissions on a file or folder in Windows, you might see an error like 'A...

Windows Store Error 0x80073cf9: Step-by-Step Fix Checklist

If you see error 0x80073cf9 when installing or updating apps from the Microsoft Store, it usually...

MySQL Connection Refused on Port 3306: Causes and Fixes

If you're seeing "connection refused" when trying to connect to MySQL on port 3306, the MySQL ser...

Windows Security for Ubuntu Installation Checklist

Before You Install Ubuntu

If you're dual-booting Windows and Ubuntu, or replacing Windows...

VSCode Terminal Not Showing Up: Troubleshooting Steps

You open the terminal in Visual Studio Code (Ctrl+` or View > Terminal), but nothing appears. The...

Fix PowerShell Set-ExecutionPolicy Permission Denied

When you try to run Set-ExecutionPolicy in PowerShell and get a 'permission denied' ...