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...

Fix Windows Terminal Symlink Permission Denied Error

When you try to create a symbolic link (symlink) in Windows Terminal and get 'permission denied',...

Fix Remote Desktop DNS Error 0x800704cf

When you try to connect to a remote computer using Remote Desktop (RDP) and see error code 0x8007...

How to Fix CMD High Memory Usage

If you notice that Command Prompt (cmd.exe) is using an unusually high amount of memory (e.g., hu...

Fix Windows Terminal Not Working After Update

After a Windows or Terminal update, you might see a blank window, crash on launch, or error messa...

How to Re-enable Windows Defender Real-Time Protection

If you've disabled Windows Defender real-time protection—perhaps to run a specific tool or becaus...