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…1.0.0.0024
Selected Port ssudmdm0001 = COM9
Selected Model SM-G928T
Selected Task SAMSUNG ExynosEFS RESET

Searching phone…
Device Found..
MODEL=SM-G928T;UN=xxxxxxxxxxx;CAPA=32;VENDOR=SAMSUNG;F WVER=0301;PRODUCT=KLUBG4G1BD-E0B2;PROV=PASS;
Init ok..
Samsung Exynos EFS Reset Success..