EMET detected Caller mitigation and will close the application: dndclient.exe

Caller check failed:
Application : C:\Program Files (x86)\Turbine\DDO Unlimited\dndclient.exe
User Name : REDACTED
Session ID : 1
PID : 0xAE8 (2792)
TID : 0x1150 (4432)
API Name : kernel32.MapViewOfFile
ReturnAddress : 0x9BDF05EC
CalledAddress : 0x764B18BD
TargetAddress : 0x00000000
StackPtr : 0x0018F050


https://support.microsoft.com/en-us/kb/2458544

This is the first time this has ever happened with DDO. In lordsmarch on a ranger, On logout not quit, i dropped to desktop with the above error written to the log. Cannot duplicate the issue. WEird