Run the JumpStart setup first. Without this, Waircut will display an error stating that it cannot find the necessary libraries.
Check if your Wi-Fi is turned on and if your wireless card supports the 2.4GHz or 5GHz bands you are scanning. thmyl brnamj waircut v3 0 link
If you'd like to move forward with testing your network security, let me know: What are you testing? Are you using an internal Wi-Fi card or a USB adapter ? Run the JumpStart setup first