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

Fix 'docker compose port already allocated' Error When Port Is Free

You run docker compose up and get an error like port is already allocated f...

Fix Microsoft Teams Meeting Recording Permission Denied Error

When you try to record a Microsoft Teams meeting and get a 'permission denied' message, it usuall...

How to Check Windows Activation Status Using Built-in Tools

When Windows is not activated, you may see a watermark on the desktop, lose access to personaliza...

Fix Windows Defender Not Opening Error 404

You try to open Windows Defender and get an error 404 – the page or resource can't be found. This...

Fix Microsoft Teams Stuck on Loading After Clearing Cache

You cleared the Microsoft Teams cache to fix a glitch, but now Teams won't load past the spinning...

Windows Security for Ubuntu Installation Checklist

Before You Install Ubuntu

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