The log file shows:
*** Logging started
[07-08-2017 13:16:14] Unibet Poker 2.6.0.98
OS : Windows 10
GPU vendor : Intel
GPU model : Intel(R) HD Graphics 4600
GPU driver : 11.0
Max texture size: 8192
[07-08-2017 13:16:14] CoherentUI Initialized
[07-08-2017 13:16:14] Casino in Poker service initialized
[07-08-2017 13:16:14] Initializing startup module...
[07-08-2017 13:16:14] Startup file parsed
[07-08-2017 13:16:14] Startup resources requested
[07-08-2017 13:16:14] Loading common assets ...
[07-08-2017 13:16:14] Common assets loading completed
[07-08-2017 13:16:14] Layout created
[07-08-2017 13:16:14] Reading cached settings ...
[07-08-2017 13:16:16] Initializing remote assets...
---------------------------------
So yeah, it's stuck at "Initializing remote assets".
I found some guys having somewhat of a similar problem - https://www.unibetcommunity.com/t5/Bug-Reports/poker-login/td-p/13112/page/3, and one member wrote: " resolve my login problem.
Just install old Nvidia GT610 in to pci-e slot with last driver 376.09 for windows 7 64bit.
I think that poker app for windows do not support intel integrated vga first and second generation or drivers for them.."
At Betfair it's kid of the same - I get the white screen for login:
I tested with my old win 7 laptop and both rooms worked.
Both of support teams have forwarded this to their IT team, but I haven't heard from them heh.