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

Windows Security for Ubuntu Installation Checklist

Before You Install Ubuntu

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

How to Fix a CMD 'Cannot Connect to Server' Error

When you see 'Cannot connect to server' in Command Prompt, it usually means a network issue, a fi...

How to Fix Windows Defender Threat Service Stopped

If Windows Defender shows a yellow warning that the threat service has stopped, real-time protect...

Fix Windows Defender Connection Refused After Update

After a recent Windows Update, you might see a "connection refused" error when trying to open Win...

How to Enable Microsoft Teams Auto-Start in Settings

If you expect Teams to launch automatically when you log into Windows but it doesn’t, the auto-st...

Fix Windows Security High Memory Usage (100%)

You open Task Manager and see Windows Security (or Antimalware Service Executable) using nearly 1...