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

Fix Antivirus Causing High CPU Usage in Command Prompt

If you notice high CPU usage in Task Manager under Command Prompt, your antivirus software may be...

Fix MongoDB Authentication Failed: Database Mismatch

When you see Authentication failed in MongoDB along with a message about database mi...

Fix Windows Activation License Expired After Upgrade

After a major Windows upgrade (e.g., from Windows 10 to Windows 11 or a feature update), you may ...

Disable Windows Defender Real-Time Protection via Group Policy

If you're managing a Windows 10 or 11 Pro/Enterprise environment, you might need to disable Windo...

Windows Security for Ubuntu Installation Checklist

Before You Install Ubuntu

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

Fix Remote Desktop Path Not Found for Mapped Drives

You connect to a remote Windows machine via Remote Desktop (RDP) and try to access a mapped drive...