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

How to Fix PowerShell Rate Limit Errors During Setup

When you run a PowerShell script that calls an external API—like a cloud service, a CI/CD pipelin...

Windows Security for Ubuntu Installation Checklist

Before You Install Ubuntu

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

How to Stop and Restart Windows Update Service

If Windows Update is stuck downloading updates, keeps failing with error codes, or won't start at...

How to Install Command Prompt on Ubuntu: A Practical Guide

If you're coming from Windows and looking for Command Prompt on Ubuntu, you'll find that Ubuntu u...

How to Fix BitLocker Network Unlock Certificate Error

You configured BitLocker Network Unlock on your Windows client, but during startup you see an err...

Fix OneDrive Sync Error 0x8004de40: Service Unavailable

When OneDrive shows error 0x8004de40 with the message “Sync service unavailable,” it usually mean...