1. After install netCut, are you be able to load http://arcai.com/netCut/s yes , no ?
2. if no,
run ipconfig /all from there you get the gateway IP address, run “ping GATEWAY” . you need to replace GATEWAY with your gateway IP address.
see if you can ping your gateway, if you can ping your gateway. then you should be able get online.
3. if yes, then you are using internet already.
4. try to disconnect WIFI, and reconnect, see if netCut rescan itself.