G928T Exynos EFS Reset Fails

GcPro says EFS success, but does not show anything for CPEFS – never gets to that step. The program then freezes in Windows, and progress bar on phone gets to halfway and then stops. Any ideas?

Using Version…
Selected Port ssudmdm0001 = COM9
Selected Model SM-G928T
Selected Task SAMSUNG ExynosEFS RESET

Searching phone…
Device Found..
Init ok..
Samsung Exynos EFS Reset Success..