The issues related to Epic players logging in to the North American and European PC/Mac megaservers have been resolved at this time. If you continue to experience difficulties at login, please restart your client. Thank you for your patience!
Another problem with 64 Bit Client
Even I checked Allow Out Of Date Addons on 64 bit client I cant see any addons loading.
I updated them of course.
If I launch 32 bit client I have no problem.