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

Windows Defender Configuration Settings Guide

Windows Defender (now Microsoft Defender Antivirus) is the built-in security solution for Windows...

Certbot Renewal Failed Due to Nginx Configuration: How to Fix

How to Fix Windows Security Error 0x80070422

You open Windows Security and get error 0x80070422, or see a message that the app can't start. Th...

Windows Terminal Login Loop: Troubleshooting Checklist

If you're stuck in a login loop in Windows Terminal — you type your password, the screen flashes,...

Fix Blank Screen After Windows Update 2024

If you see a blank screen after installing a Windows Update in 2024, you're not alone. This issue...

Fix Windows Update High CPU Usage When It Stops Working

If Windows Update is stuck and your CPU usage spikes to 100%, you're likely dealing with a hung u...