Address = 0x7709c541 (filename not found) [in C:\Windows\SYSTEM32\ntdll.dll]
[2014.05.21-22.03.05:709][ 0]LogWindows:Error: Windows GetLastError: operation completed successfully. (0)
[2014.05.21-22.03.06:073][ 0]LogWindows: === Critical error: ===
[2014.05.21-22.03.06:073][ 0]LogWindows: Assertion failed: SUCCEEDED(Hr) [File:D:\BuildFarm\buildmachine_++depot+UE4-LauncherReleases\Engine\Source\Developer\StandaloneRenderer\Private\Windows\D3D\SlateD3DShaders.cpp] [Line: 76]