Faulting application name: Ax32Serv.exe, version: 6.3.4000.127, time stamp: 0x576f520b , Faulting module name: KERNELBASE.dll, version: 6.3.9600.16408, time stamp: 0x523d557d, Dynamics AX 2012 R3 CU 11

I got below error in event viewer, while starting AOS. no clue, bang my head, still no luck.
I had one more AOS, but it was working fine.
I just though and changed the running account to another service account and then it started fine, not sure why?

Faulting application name: Ax32Serv.exe, version: 6.3.4000.127, time stamp: 0x576f520b Faulting module name: KERNELBASE.dll, version: 6.3.9600.16408, time stamp: 0x523d557d Exception code: 0xe0000005 Fault offset: 0x000000000000ab78 Faulting process id: 0xbe7c Faulting application start time: 0x01d2414e1b2acd43 Faulting application path: C:\Program Files\Microsoft Dynamics AX\60\Server\MicrosoftDynamicsAX\Bin\Ax32Serv.exe Faulting module path: C:\Windows\system32\KERNELBASE.dll Report Id: 62c9a864-ad41-11e6-80ce-00155d32241f Faulting package full name: Faulting package-relative application ID:

Regards,

Yes.Sudhanshu