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Hello! I've just started getting into Flight simming, but my FSX seems to randomly crash from 5 - 45 minutes into my flight and I really have no idea why. I thought it might be a memory issue as I only have 8gb, but I monitored my RAM usage during the most recent CTD and it was under 5GB. It might still be a memory issue, but I had plenty of space left in the RAM.d

I looked around differnet forums and I have been unable to find a solution to the problem. I've analysed the .mdmp file that gets created but I'm really not sure what to make of it.

The crashes always happen in the air, and sometimes when using a menu.


My PC Specs are:

  • i5 6600k @ 3.9GHz
  • AMD RX470 4GB GPU
  • 8GB DDR4 Ram at 2400MHz


Also, in the absence of a joystick and throttle, I'm using a PS4 controller for some controls, using steams controller emulator system-thing (so the controller is recognised as an XBOX controller).

I've stuck the later .mdmp file analysis below. There are more of these crash reports but they look just about the same.

Thanks for any help! 🙂

Microsoft (R) Windows Debugger Version 10.0.19528.1000 X86
Copyright (c) Microsoft Corporation. All rights reserved.

Loading Dump File [C:\Program Files (x86)\Steam\steamapps\common\FSX\fsx_63003_crash_2020_3_27T20_55_49C1.mdmp]
Comment: 'Minidump: C:\Program Files (x86)\Steam\steamapps\common\FSX\fsx.exe
User Mini Dump File: Only registers, stack and portions of memory are available

Symbol search path is: srv*
Executable search path is: 
Windows 10 Version 18362 MP (4 procs) Free x86 compatible
Product: WinNt, suite: SingleUserTS
Machine Name:
Debug session time: Fri Mar 27 20:55:50.000 2020 (UTC + 0:00)
System Uptime: not available
Process Uptime: 0 days 1:01:38.000
This dump file has an exception of interest stored in it.
The stored exception information can be accessed via .ecxr.
(1838.2d58): Access violation - code c0000005 (first/second chance not available)
For analysis of this file, run !analyze -v
eax=00000000 ebx=0bda1048 ecx=2f745658 edx=00dbec7c esi=0bda0ff8 edi=0bda1008
eip=77312c4c esp=00dbbe60 ebp=00dbbe6c iopl=0         nv up ei pl nz ac pe nc
cs=0023  ss=002b  ds=002b  es=002b  fs=0053  gs=002b             efl=00000216
77312c4c c20800          ret     8
0:000> !analyze -v
*                                                                             *
*                        Exception Analysis                                   *
*                                                                             *


    Key  : AV.Fault
    Value: Execute

    Key  : Analysis.CPU.Sec
    Value: 7

    Key  : Analysis.DebugAnalysisProvider.CPP
    Value: Create: 8007007e on DESKTOP-6LGEET0

    Key  : Analysis.DebugData
    Value: CreateObject

    Key  : Analysis.DebugModel
    Value: CreateObject

    Key  : Analysis.Elapsed.Sec
    Value: 129

    Key  : Analysis.Memory.CommitPeak.Mb
    Value: 235

    Key  : Analysis.System
    Value: CreateObject

    Key  : Timeline.Process.Start.DeltaSec
    Value: 3698


COMMENT:  Minidump: C:\Program Files (x86)\Steam\steamapps\common\FSX\fsx.exe

CONTEXT:  (.ecxr)
eax=15c22f70 ebx=2250e4f4 ecx=2f745658 edx=00dbec7c esi=0000110c edi=2f745658
eip=00000000 esp=00dbec64 ebp=00dbec88 iopl=0         nv up ei ng nz na pe cy
cs=0023  ss=002b  ds=002b  es=002b  fs=0053  gs=002b             efl=00010287
00000000 ??              ???
Resetting default scope

ExceptionAddress: 00000000
   ExceptionCode: c0000005 (Access violation)
  ExceptionFlags: 00000000
NumberParameters: 2
   Parameter[0]: 00000008
   Parameter[1]: 00000000
Attempt to execute non-executable address 00000000

PROCESS_NAME:  fsx.exe


00000000 ??              ???

ERROR_CODE: (NTSTATUS) 0xc0000005 - The instruction at 0x%p referenced memory at 0x%p. The memory could not be %s.




WARNING: Frame IP not in any known module. Following frames may be wrong.
00dbec60 7ae732b0 00dbec78 0889c508 40f75944 0x0
00dbec88 7aa4230c 15c2d2d8 0889c478 16100298 symmap+0x232b0
00dbeca4 7aa45aca 15c2d2d8 00000003 30764dfc g3d!Ordinal27+0x386c
00dbecf4 7a4d6423 15c2d2d8 ffffffff 3cd2aa00 g3d!Ordinal27+0x702a
00dbed10 7a4f6b06 00dbfa24 40f74430 00000020 atc+0x16423
00dbed3c 7a50313d 00dbfa24 40f74430 7a519898 atc+0x36b06
00dbed64 7a5030ad 40f74430 00dbedb8 7a4de544 atc+0x4313d
00dbed70 7a4de544 00000001 00000000 7a4ca998 atc+0x430ad
00dbedb8 7a4caa3c 086da3f4 00000008 00000006 atc+0x1e544
00dbfa24 7a4fee4a 086da404 00000008 00000008 atc+0xaa3c
00dbfa5c 7a4fe344 004d56b0 086c7c70 086c7d0c atc+0x3ee4a
00dbfa80 7a4cc205 75b91a70 00000000 00dbfac8 atc+0x3e344
00dbfa90 7a360ae5 7a35ed75 004d56b0 7a38afc1 atc+0xc205
00dbfac8 004d38de 004d56b0 97aecae4 461b755a api!Ordinal17+0x26c5
00dbfb00 79d8cd96 004d5760 0125281c 00000000 fsx+0x38de
00dbfb10 004d2701 004d0000 00000000 0125281c mfc80!AfxWinMain+0x69
00dbfba0 75b96359 00fb3000 75b96340 00dbfc0c fsx+0x2701
00dbfbb0 77307b74 00fb3000 2f2b91c2 00000000 kernel32!BaseThreadInitThunk+0x19
00dbfc0c 77307b44 ffffffff 77328f2b 00000000 ntdll!__RtlUserThreadStart+0x2f
00dbfc1c 00000000 004d288c 00fb3000 00000000 ntdll!_RtlUserThreadStart+0x1b

SYMBOL_NAME:  symmap+232b0


IMAGE_NAME:  symmap.dll

STACK_COMMAND:  ~0s ; .ecxr ; kb


OS_VERSION:  10.0.18362.239

BUILDLAB_STR:  19h1_release_svc_prod1


OSNAME:  Windows 10

FAILURE_ID_HASH:  {5e762f00-e45e-b53c-d95d-d560d9025e8d}

Followup:     MachineOwner


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Welcome to the AVSIM forums!  Sorry you have to start out by troublesdhooting CTDs!  Go to the Forums tab at the top of the page, then look along the right side just under Tom's (founder) picture.  Find and download the AVSIM CTD Guide.

  1. Get ready for lots of reading! 

Charlie Aron

Awaiting the new Microsoft Flight Sim and the purchase of a new system.  Running a Chromebook for now! :cool:



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