RB600 upgrading

dear all

i tried to update the RB600 with the version 4 beta 3 for the same platform
but it is not taking the upgrade
any suggestions ?

see log for the reason

yes, see log for reason

thanks all
solved and the v4b3 is working

but i am facing this difficulty
when i connect the sr 71 n support mini pci , the rb600 keeps restarting
any suggestion ???

thx in a advance