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

How to Fix Microsoft Teams High CPU Usage

If Microsoft Teams is using 50% or more of your CPU, you're not alone. This is a common complaint...

Fix Nginx Permission Denied for Static Files

If you see '403 Forbidden' or 'Permission denied' when nginx tries to serve static files (CSS, JS...

Fix Microsoft Teams Sign-In Failures Due to Network Issues

You try to sign in to Microsoft Teams, but it fails with a generic network error. This is often d...

Windows Security for Ubuntu Installation Checklist

Before You Install Ubuntu

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

Fix Microsoft Teams DNS Error 0xcaa20002

When launching Microsoft Teams, you may encounter error code 0xcaa20002, typically accompanied by...