Same problem here. Then shows that my log in info is wrong, but I know it's right. Can log in online to post this!
Win 7 64 bit
Case: Custom built desk mod. * CPU: Intel Haswell Core i7-4790K * Motherboard: ASUS Maximus VII Formula Z97 * Memory: 16 GB of DDR3 from GSkill * Hard Drive: RAID 0 array using 2x 250 GB Samsung Evo SSDs for the operating system. * GPU: EVGA Nvidia GeForce 670 (x2) in SLI * Power Supply: OCZ Fatality 1 Series 1000 Watt PSU * Optical Drive: LG BluRay Burner * Operating System: Windows 8.1 Pro * Monitors: ASUS 23" 120Hz 3D Monitor (x3) * Cooling System: Custom water cooling loop.