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

How to Install PowerShell on Ubuntu

If you need to run PowerShell scripts on Ubuntu, you can install it via Microsoft's official repo...

How to Fix Windows Activation Error 0xc004f074

You see error 0xc004f074 when trying to activate Windows, often after a hardware change or when u...

Fix Command Prompt Sync Issue with System Clock

Fix Microsoft Teams 'Service Unavailable' Network Issues

When Microsoft Teams shows a 'service unavailable' error, it's often a network issue rather than ...

Fix Remote Desktop Permission Denied (NLA) Error

You're trying to connect to a remote Windows machine, but get an error: "This computer ca...