FlashScan V3 and AutoCal V3 devices are only compatible with EFILive V8.3 software. V3 devices are not compatible with EFILive V8.2 software or V7.5 software.
Please download and install the latest V8.3 software release. NOTE: V8.3 is publicly available as beta release software, the [Check for Updates] option in earlier releases DOES NOT look for beta software, only full public release software.
Please manually download the software following the links here http://download.efilive.com/Software/V8/EFILiveV8.3.1_Beta_51(2)_Setup.exe
Once installed please be sure to update your firmware using the FlashScan/AutoCal V3 Firmware instructions.