can not backup windows 8 64 bit using GImageX

I normally use my bootable usb with WinPE3 + GImageX to backup many PCs running XP or window7 without any problem,
Today I try to backup/capture a windows 8 64 bit machine, but GImageX keep displaying

INFO: C:\ Program .....
INFO: C:\ Program ...


If you know to know to resolve this problem , let me know. TIA.