: You must upgrade your desktop enrollment hardware to an x64-supported model like the ZK4500 or SLK20R, or run your existing operations inside a virtualized 32-bit Windows environment. Shared Dynamic Link Library (DLL) Failures
(e.g., ZK4500, ZK9500) are you using?
Ensure the USB cable is firmly connected. Try switching to a different USB port to rule out hardware failure. zkteco fingerprint reader driver 2.3.3.5 download