There are three proven methods to create a recoverable backup of your 2012 ProExe Link dongle. These methods exist in a legal gray area. Only perform backup on dongles you legally own and for the sole purpose of disaster recovery.
Below is the actual workflow used by legacy system recovery specialists. Execute this on an offline, air-gapped machine running Windows 7 (32-bit ideal). usb dongle backup and recovery 2012 proexe link