EasyBCD won't load on my Windows 10

I have (build 1511_10586) retail booting on a GPT partition and at first EasyBCD 2.3 worked and now it won't even load so difficult to change and modify bcd entries. It works fine on a trial version loaded on an MBR partition. Is this a bug? Any way to get it working again? It is a great program by the way for booting usb keys and managing on PC.