Autodata Sentinel Key Not Found Jun 2026

The "Sentinel Key Not Found" error in Autodata software, such as version 3.45, typically indicates a communication failure between the application and its hardware- or software-based security dongle. This frequently results in associated issues like . Core Causes of the Error

Unplug the key and reconnect it directly to a motherboard USB port on the back of the PC rather than a front panel or extension. 2. Reinstall Sentinel Runtime Drivers autodata sentinel key not found