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

Fix Chrome Profile Cannot Connect to Proxy Server

When you open Chrome and see 'cannot connect to the proxy server', it usually means your browser'...

Docker Daemon Not Running on Mac M1: Practical Fixes

If you're on a Mac with Apple Silicon (M1 or M2) and see "Docker daemon not running" when you try...

Windows Security for Ubuntu Installation Checklist

Before You Install Ubuntu

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

Fix Windows Security Not Working in Windows 11

If Windows Security won't open, stays blank, or crashes on Windows 11, the problem is often a cor...

How to Fix Remote Desktop 404 Not Found in Windows 10

When you try to connect to a remote PC using Remote Desktop (RDP) and see a '404 Not Found' error...

Fix Windows Defender Can't Connect After Update

After a Windows update, you might see an error that Windows Defender can't connect to the service...