Access violation - code c0000005 (!!! second chance !!!)
win32k!OffsetChildren+0xd4:
915393e3 837e2c00        cmp     dword ptr [esi+2Ch],0
*** WARNING: Unable to verify timestamp for autochk.exe
*** ERROR: Module load completed but symbols could not be loaded for autochk.exe
1: kd> r
eax=00000000 ebx=00008000 ecx=fddcaf50 edx=ff810000 esi=00000000 edi=00008000
eip=915393e3 esp=824ffb50 ebp=824ffb6c iopl=0         nv up ei pl nz ac pe cy
cs=0008  ss=0010  ds=0023  es=0023  fs=0030  gs=0000             efl=00010217
win32k!OffsetChildren+0xd4:
915393e3 837e2c00        cmp     dword ptr [esi+2Ch],0 ds:0023:0000002c=????????