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

Fix Docker Container Restart Loop: Step-by-Step Guide

You start a Docker container, and it keeps restarting over and over. The status shows "Restarting...

How to Fix Windows Activation Login Loop

You sign in to Windows, but instead of your desktop, you see the activation screen again—over and...

Fix Windows Defender Service Not Starting Error

If you see an error that Windows Defender won't start—or the service stops immediately—it's usual...

How to Fix Windows Defender Blank Screen Issue

If you open Windows Defender (now called Windows Security) and see only a blank white or black sc...

How to Fix 502 Bad Gateway in PowerShell Invoke-WebRequest