*** Fatal System Error: 0x00000050
                       (0xAAAAAAAA,0x00000001,0x994F8C00,0x00000002)

Driver at fault: 
***     ATMFD.DLL - Address 994F8C00 base at 994C4000, DateStamp 52158fac
.
Break instruction exception - code 80000003 (first chance)

A fatal system error has occurred.
Debugger entered on first try; Bugcheck callbacks have not been invoked.

A fatal system error has occurred.

Connected to Windows 8 9600 x86 compatible target at (Wed Nov 19 12:43:21.959 2014 (UTC + 1:00)), ptr64 FALSE
Loading Kernel Symbols
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Loading User Symbols
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Loading unloaded module list
.........
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*                                                                             *
*                        Bugcheck Analysis                                    *
*                                                                             *
*******************************************************************************

Use !analyze -v to get detailed debugging information.

BugCheck 50, {aaaaaaaa, 1, 994f8c00, 2}

Probably caused by : ATMFD.DLL ( ATMFD+34c00 )

Followup: MachineOwner
---------

nt!RtlpBreakWithStatusInstruction:
81b0cef4 cc              int     3
0: kd> .reload
Connected to Windows 8 9600 x86 compatible target at (Wed Nov 19 12:46:29.113 2014 (UTC + 1:00)), ptr64 FALSE
Loading Kernel Symbols
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Loading User Symbols
..............
Loading unloaded module list
.........
0: kd> !analyze -v
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*                                                                             *
*                        Bugcheck Analysis                                    *
*                                                                             *
*******************************************************************************

PAGE_FAULT_IN_NONPAGED_AREA (50)
Invalid system memory was referenced.  This cannot be protected by try-except,
it must be protected by a Probe.  Typically the address is just plain bad or it
is pointing at freed memory.
Arguments:
Arg1: aaaaaaaa, memory referenced.
Arg2: 00000001, value 0 = read operation, 1 = write operation.
Arg3: 994f8c00, If non-zero, the instruction address which referenced the bad memory
	address.
Arg4: 00000002, (reserved)

Debugging Details:
------------------


WRITE_ADDRESS:  aaaaaaaa 

FAULTING_IP: 
ATMFD+34c00
994f8c00 8807            mov     byte ptr [edi],al

MM_INTERNAL_CODE:  2

IMAGE_NAME:  ATMFD.DLL

DEBUG_FLR_IMAGE_TIMESTAMP:  52158fac

MODULE_NAME: ATMFD

FAULTING_MODULE: 994c4000 ATMFD

DEFAULT_BUCKET_ID:  WIN8_DRIVER_FAULT

BUGCHECK_STR:  AV

PROCESS_NAME:  csrss.exe

CURRENT_IRQL:  0

TRAP_FRAME:  a5e6ae30 -- (.trap 0xffffffffa5e6ae30)
ErrCode = 00000002
eax=00000000 ebx=00000000 ecx=0000001c edx=00000002 esi=98f0dee0 edi=aaaaaaaa
eip=994f8c00 esp=a5e6aea4 ebp=a5e6aeac iopl=0         nv up ei pl nz na po nc
cs=0008  ss=0010  ds=0002  es=0023  fs=0030  gs=0023             efl=00010202
ATMFD+0x34c00:
994f8c00 8807            mov     byte ptr [edi],al          ds:0002:aaaa=??
Resetting default scope

LAST_CONTROL_TRANSFER:  from 81b8dcbe to 81b0cef4

STACK_TEXT:  
a5e6a84c 81b8dcbe 00000003 1252dd9b 00000065 nt!RtlpBreakWithStatusInstruction
a5e6a8a0 81b8d7d8 81c1d138 a5e6ac9c a5e6ad10 nt!KiBugCheckDebugBreak+0x1f
a5e6ac70 81b0bab6 00000050 aaaaaaaa 00000001 nt!KeBugCheck2+0x676
a5e6ac94 81b0b9ed 00000050 aaaaaaaa 00000001 nt!KiBugCheck2+0xc6
a5e6acb4 81b2a84b 00000050 aaaaaaaa 00000001 nt!KeBugCheckEx+0x19
a5e6ad10 81a54fa5 a5e6ae30 aaaaaaaa a5e6ad88 nt! ?? ::FNODOBFM::`string'+0x5489
a5e6ad98 81b1fff5 00000001 aaaaaaaa 00000000 nt!MmAccessFault+0x735
a5e6ad98 994f8c00 00000001 aaaaaaaa 00000000 nt!KiTrap0E+0xf1
WARNING: Stack unwind information not available. Following frames may be wrong.
a5e6aeac 994f0ab6 aaaaaaaa 98f0dee0 00000004 ATMFD+0x34c00
a5e6b5c4 994f437c a5e6b818 a5e6b85c a5e6b83c ATMFD+0x2cab6
a5e6b6a4 994e364b a5e6b818 a5e6b85c a5e6b83c ATMFD+0x3037c
a5e6b7b0 994e36fe a5e6b85c 00000000 a5e6b83c ATMFD+0x1f64b
a5e6b7d4 994d6e2e 88e35020 99508268 a5e6b818 ATMFD+0x1f6fe
a5e6b944 994d6b52 ffffffff a5e6bac0 98ffd280 ATMFD+0x12e2e
a5e6b994 994c7f11 ffffffff a5e6bac0 00000000 ATMFD+0x12b52
a5e6b9e8 94367f3a 9407e010 941cccf0 00000001 ATMFD+0x3f11
a5e6ba44 9436883d 9407e010 941cccf0 00000001 win32k!PDEVOBJ::QueryFontData+0x5c
a5e6ba7c 943686f1 941cccf0 00000042 a5e6bac0 win32k!ulCallAndConvertFontOutput+0x2a
a5e6bb0c 94368908 00000061 00000001 a5e6bc9c win32k!xInsertMetricsPlusRFONTOBJ+0x185
a5e6bb20 942c3294 88f10adc 00000061 00000000 win32k!RFONTOBJ::bInsertMetricsPlus+0x25
a5e6bb50 942c2fe9 0000001a 00000104 88f108a0 win32k!RFONTOBJ::bGetGlyphMetricsPlus+0x149
a5e6bba0 943a6259 a5e6bc80 a5e6bc9c 00000008 win32k!ESTROBJ::vCharPos_H3+0xa1
a5e6bc1c 942c379b 94041068 0000001a a5e6bc80 win32k!ESTROBJ::vInit+0x889
a5e6be50 942c39e8 0000001a ffffffff a5e6be94 win32k!GreGetTextExtentExW+0x17d
a5e6bf2c 81b1cb27 080107dc 00e21d80 0000001a win32k!NtGdiGetTextExtentExW+0x16b
a5e6bf2c 77056ce4 080107dc 00e21d80 0000001a nt!KiSystemServicePostCall
00d7eb20 00000000 00000000 00000000 00000000 ntdll!KiFastSystemCallRet


STACK_COMMAND:  kb

FOLLOWUP_IP: 
ATMFD+34c00
994f8c00 8807            mov     byte ptr [edi],al

SYMBOL_STACK_INDEX:  8

SYMBOL_NAME:  ATMFD+34c00

FOLLOWUP_NAME:  MachineOwner

FAILURE_BUCKET_ID:  AV_ATMFD+34c00

BUCKET_ID:  AV_ATMFD+34c00

Followup: MachineOwner
---------