A more elegant (and rarer) solution: a virtual USB driver that emulated the Sentinel hardware dongle. This worked on any LogPlot 7 build, including 7.4.93.119. It required a driver-loading utility ( multikey.sys ) and often triggered antivirus false positives due to kernel-mode operations.
Downloads found on "crack" sites are frequently bundled with rockware logplot 7 v7 4 93 119 hot cracked