Restart your PC. Press F8 during boot. Select Disable Driver Signature Enforcement . (The 3.21 driver is not digitally signed by modern standards).
Note: SafeNet (now part of Thales) ended support for very old driver versions years ago. This post addresses the legacy need while warning about security. HASP HL 3.21 Driver for Windows 7: Legacy Download & Installation Guide hasp hl 3.21 driver windows 7 download
We cannot host copyrighted drivers here, but if you contact your original software vendor (the company that sold you the CAD/ERP software), they are legally required to provide you with the legacy driver package you paid for. Restart your PC
If you are still running a legacy engineering, CAD, or accounting application from the early 2010s, you have likely encountered the dreaded “HASP key not found” error. Specifically, version was the gold standard for Windows 7 during that era. (The 3
Disclaimer: This post is for legacy troubleshooting only. Upgrade your OS and driver stack if possible.