Please attempt the following workflow to resolve the issue:
This error happens when Nmap doesn't know which network interface to use. Maybe you disconnected your Ethernet cable, switched from Wi-Fi to USB tethering, or your VPN interface changed. hacker simulator nmap not working work
If you're using a real terminal:
Linux:
sudo apt install nmap # Debian/Ubuntu
sudo yum install nmap # RHEL/CentOS
macOS:
brew install nmap
Windows: Download from nmap.org
sudo nmap -Pn -sS -T4 --top-ports 1000 target_ip Please attempt the following workflow to resolve the issue: