I have the same problem. I can't log in DPS G App 3.0.1. After clicking Log, nothing happens.
I tried reinstalling app, vcredist 2013, 2015. Can you help me?
I have Win 10 64bit, TPG-1050D-G. I can log to the webside http://dps.thermaltake.com/en . DPS G App 3.0.1 don't show my S/N.