Some ProLink 2012 dongles work with paired .lic or .v2c files. Search your system for:
Back these up immediately.
Since you cannot copy the dongle, how do you "back it up"? The industry standard for the 2012 Pro Link era involves Hardware Cloning (Side-channel attacks) or Software Emulation. usb dongle backup and recovery 2012 pro link
If the dongle is physically broken at the connector but the chip is alive: Some ProLink 2012 dongles work with paired
For a physically damaged dongle (bent pins, cracked casing, but intact chip): Back these up immediately
Risk: High. Requires microsoldering skills and a donor dongle. Many 2012 Pro Link dongles use epoxy-sealed chips, making reading impossible.