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

Fix Windows Defender Dependency Conflict Registry Error

You might see an error like "Windows Defender can't start because of a dependency conflict" or a ...

How to Fix PowerShell Version Mismatch Error

Fix Windows Update Authentication Failed After Password Change

You changed your Windows password, and now Windows Update shows an authentication failed error. T...

Setting Up Windows Activation for Ubuntu VM

If you're running a Windows virtual machine on Ubuntu, you'll need to activate it with a valid li...

Fix VS Code Python Interpreter Not Showing or Selecting

You open the Command Palette, type Python: Select Interpreter, and nothing happens. Or t...

GitHub Actions YAML Syntax Error: How to Fix

You push a workflow file and see a red X—YAML syntax error. The action doesn't run. Here's how to...