From SIEE blog "There is no guarantee that all USB storage devices are compatible with your system." for firmware 4.50
Black screen on PC remote play showing up as windows GPU driver miss match, visit Intell, AMD, Nvidia to change your driver, downgrade of GPU driver may be required. Java script failure in remote play at login is IE render engine setting in IE security set to off... turn it on...
you might want to bookmark this, as ive a feeling this wont be the last time this topic is covered here.
but try the free software first and if you use it then paypal them $10. its cheaper than commercial software and these people do work their a$$es off making sure we get the best quality videos on our sony stuff.