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

Checklist: Windows Update Service Not Running in Services.msc

When you open Services.msc and see that the Windows Update service (wuauserv) is not running, or ...

Fix Nginx 404 on All Pages Except Index

If your Nginx server loads the index page but returns 404 on all other pages, the issue is almost...

How to Fix Windows Security Connection Refused Error

You open Windows Security and see a "Connection refused" error when trying to update virus defini...

How to Install an SSL Certificate in Chrome Manually

You may need to manually install an SSL certificate in Chrome when testing a local development si...

Windows Security for Ubuntu Installation Checklist

Before You Install Ubuntu

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

Fix Windows Defender Antivirus Permission Denied Error

You try to start Windows Defender Antivirus and get a “permission denied” error. This typically h...