The tarball was corrupted during USB transfer or the download was incomplete.
This means the "Nessus offline registration hot" method has a shelf life. By 2026, fully offline activation may require a hardware dongle (USB key) or a dedicated Tenable OT Security appliance. nessus offline registration hot
If you closed the browser or are managing the server via terminal, copy the nessus.license file onto the local directory and execute: The tarball was corrupted during USB transfer or