WD GREEN 120GB New Firmware error?

Hello all!
I want to flash a new WD GREEN 120GB firmware, but i have the error code.: Firmware Download Failed. I tried twice, but again shows me this problem.
Modell.: WDS120G2G0B-00EPW0
Stock Firmware version.: UI190000
WD SSD Dashboard meaned version.: UI450000
WD SSD Version.: 2.5.0.0

I maked USB bootable by this Dashboards and not worked…
I use Windows 10 on SSD, and MSI B350 PC MATE motherboard.
Thanks for help!