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

How to Fix PowerShell Rate Limit Errors in Microsoft Graph API

When you run a PowerShell script against the Microsoft Graph API, you might encounter HTTP 429 er...

Fix VirtualBox Kernel Driver Permission Denied on Linux

How to Stop a Docker Container from Restarting

You start a Docker container, it runs for a few seconds, then stops and restarts. Or you stop it ...

Windows Update Failed to Install: Practical Troubleshooting Guide

When a Windows update fails to install, it usually shows an error code or hangs during the proces...

Fix Outlook Port Already Allocated in Exchange Server

When Outlook cannot connect to Exchange Server and you see an error like “Port already allocated”...

How to Reinstall Windows Defender Module

If Windows Defender is missing, not updating, or showing errors, reinstalling its module can ofte...