Ensure the "Sentinel LDK License Manager" or "Sentinel Protection Server" is running in the services.msc panel. Download Link Information
The 7.3.2 update was specifically designed to stabilize the communication layer between the Sentinel SuperPro, UltraPro, or SHK keys and the 64-bit architecture of Windows 10. Key Features of the 7.3.2 Driver rainbow sentinel system driver 73 2 windows 10 link
Automatically detects Sentinel USB keys upon connection. Ensure the "Sentinel LDK License Manager" or "Sentinel