I'm having the exact same issue as well. It has happened to me maybe 7x today already. I never encountered this issue before and it was working fine in Beta 1/2/3/4.


-=-=-=-=-=-=- System Information -=-=-=-=-=-=-

SYSTEM_OS Windows 8 Pro 64-bit (6.2, Build 9200) (9200.win8_gdr.130531-1504)
SYSTEM_CPU Intel(R) Core(TM) i7-2600K CPU @ 3.40GHz (8 CPUs), ~3.4GHz
SYSTEM_CORE_NUM SYSTEM_CORE_LOGIC 8 SYSTEM_CORE_PHYSICS 4
SYSTEM_BIOS BIOS Date: 02/05/10 19:13:52 Ver: 08.00.10
SYSTEM_LANGAGE English (Regional Setting: English)
SYSTEM_MEMORY 8098.086MB
SYSTEM_VIRTUAL_MEMORY 2047.875MB
SYSTEM_PAGE_FILE 9314.086MB
SYSTEM_STORAGE C:\ SYSTEM_HARDDISK_DRIVE SYSTEM_TOTALDISC_SPACE 118.898GB SYSTEM_FREEDISC_SPACE 43.287GB
SYSTEM_STORAGE D:\ SYSTEM_HARDDISK_DRIVE SYSTEM_TOTALDISC_SPACE 1863.015GB SYSTEM_FREEDISC_SPACE 218.788GB
SYSTEM_STORAGE E:\ SYSTEM_HARDDISK_DRIVE SYSTEM_TOTALDISC_SPACE 1863.015GB SYSTEM_FREEDISC_SPACE 1371.503GB
SYSTEM_DIRECTX_VERSION DirectX 11
SYSTEM_GRAPHICS AMD Radeon HD 6900 Series
SYSTEM_GRAPHICS_DEVICE \\.\DISPLAY1
SYSTEM_GRAPHICS_CHIP AMD Radeon Graphics Processor (0x6718)
SYSTEM_GRAPHICS_MAKER Advanced Micro Devices, Inc.
SYSTEM_GRAPHICS_VRAM 2035.707 MB
SYSTEM_GRAPHICS_SHARED_VRAM 2060.230 MB
SYSTEM_GRAPHICS_DAC Internal DAC(400MHz)
SYSTEM_GRAPHICS_DISPLAY_MODE 1920 x 1080 (32 bit) (60Hz)
SYSTEM_GRAPHICS_DRIVER aticfx64.dll,aticfx64.dll,aticfx64.dll,aticfx32,aticfx32,aticfx32,atiumd64.dll,atidxx64.dll,atidxx64.dll,atiumdag,atidxx32,atidxx32,atiumdva,atiumd6a.cap,atitmm64.dll
SYSTEM_GRAPHICS_DRIVER_VERSION 8.17.0010.1191
SYSTEM_GRAPHICS_DRIVER_DATE 3/29/2013 11:37:02 AM
SYSTEM_GRAPHICS_DRIVER_LANGAGE English
3.0
SYSTEM_GRAPHICS_PIXEL_SHADER 3.0
SYSTEM_GRAPHICS_VERTEX_TEXTURE SYSTEM_SUPPORT
SYSTEM_SOUND AMD HDMI Output (AMD High Definition Audio Device)
SYSTEM_SOUND_DEVICE_ID {296CEC09-7430-45BA-BCBB-12EA16A988C7}
SYSTEM_SOUND_DEVICE_NAME AtihdW86.sys
SYSTEM_SOUND_DRIVER_VERSION 8.00.0000.8811
SYSTEM_SOUND_DRIVER_LANGAGE English
SYSTEM_SOUND_DRIVER_DATE 4/23/2013 8:38:22 PM
SYSTEM_SOUND Digital Audio (S/PDIF) (2- High Definition Audio Device)
SYSTEM_SOUND_DEVICE_ID {064CB391-411D-4DC8-91A5-B5BA307AB61A}
SYSTEM_SOUND_DEVICE_NAME HdAudio.sys
SYSTEM_SOUND_DRIVER_VERSION 6.02.9200.16651
SYSTEM_SOUND_DRIVER_LANGAGE English
SYSTEM_SOUND_DRIVER_DATE 6/26/2013 11:59:34 AM
SYSTEM_SOUND Digital Audio (S/PDIF) (2- High Definition Audio Device)
SYSTEM_SOUND_DEVICE_ID {8E9CC0DB-AEBE-40DB-ADCC-F427EE149B37}
SYSTEM_SOUND_DEVICE_NAME HdAudio.sys
SYSTEM_SOUND_DRIVER_VERSION 6.02.9200.16651
SYSTEM_SOUND_DRIVER_LANGAGE English
SYSTEM_SOUND_DRIVER_DATE 6/26/2013 11:59:34 AM