This message effectively locks you out of the software. It indicates a security protocol failure between your USB dongle (hardware key) and the software installation on your PC. Before you panic, assume your dongle is broken, or call expensive IT support, read this guide thoroughly.

Support can often send a patch file to re-synchronize the dongle with your new hardware configuration.

your computer—this is a critical step for the driver to initialize properly on Windows 7, 8, and 10. 4. Regenerate the License (If using an Emulator)

If the error started immediately after modifying your computer settings, revert those changes.

: Verify that "SafeNet Sentinel Hardware Key" appears under USB controllers. If using an emulator, look for "AuDaS0 Virtual Device" under System Devices. Adjust Regional Settings Control Panel > Region and ensure the format is set to English (United States) Run as Administrator

If you have changed your PC's hardware, you likely need to generate a new license file.

If you are using an older version, such as Autodata 3.45, you may need to re-apply the Sentinel emulation drivers as mentioned in community-driven installation guides.

Add the entire Autodata folder path and the dongle driver folder to the exclusion list.

Have your customer ID and dongle serial number (found on the physical dongle) ready.

Open the Windows and navigate to Programs and Features .