Avoid random “crack” websites. They often bundle malware, keyloggers, or broken DLL files. Because Flexi 8.1 is discontinued (current version is Flexi 22/23), you have two legal avenues:
FlexiSIGN Pro is a professional sign-making, print, and cut software. Version 8.1 v1 is quite old – released around 2012-2013. It was designed for Windows XP, Vista, 7, and early 8.
Windows update broke the legacy HASP driver. Fix: