Before diving into the fixes, it is important to understand why this error occurs. Autodata, particularly older versions (such as v3.38, v3.40, or v3.45), utilizes a hardware security dongle (often a USB key) or a software-based emulator to verify the license.
If you're running AutoData on Windows 10 and suddenly see the error (or a similar "HASP key not detected" message), don't panic. This usually points to a driver or USB detection issue, not a broken key. autodata sentinel key not found windows 10
The solution is to reinstall the Sentinel Runtime (Step 3) after the update, not before. Before diving into the fixes, it is important
The Sentinel service runs in the background. If it crashes or is disabled, Windows 10 cannot query the key. This usually points to a driver or USB
Contact Thales Support for Sentinel driver issues or check AutoData’s official forum. Do not download drivers from third-party “driver update” websites—they are often malware.