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

Windows Defender Authentication Failed: Step-by-Step Checklist

You open Windows Security and see 'Authentication failed' when trying to use Windows Defender. Th...

Chrome Extension Crash Troubleshooting Guide

When a Chrome extension crashes repeatedly, you might see a popup saying 'Something went wrong' o...

Fix Windows Security Authentication Error 0x80070035

Fix Task Scheduler 502 Bad Gateway After Windows Update

After a Windows update, you might see a 502 Bad Gateway error when using Task Scheduler. This usu...

Docker Daemon Not Running: A Beginner's Checklist

If you're new to Docker and see an error like Cannot connect to the Docker daemon or...

Fix Microsoft Teams Port Already Allocated with Netsh

When Microsoft Teams fails to start or connect, you may see errors about a port already being all...