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Arma 3 Crashes on start-up - 0xC000007B - STATUS_INVALID_IMAGE_FORMAT
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I've recently reinstalled Windows to upgrade to 64Bit version of Windows 7 to use all of my Ram, but since then I'm unable to start Arma 3.

I've also reinstalled Arma 3 with all the drivers provided by Steam and additionally all vcredist versions from 2005-2015, .NET Framework and directX.

To fix the problem I tried reinstalling the game & drivers, run sfc /scannow to check for any missing system files and run a Steam-check for any corrupt game files.

I have no idea how to fix the problem because all advice on the internet say to reinstall windows which I think wouldn't help or to install drivers which I should all have.

I would be happy if someone could help me fix my problem.
Markus Hoffmann


Operating System
Windows 7
Operating System Version
Windows 7 Professional SP1
Game Startup
Additional Information

AMD Phenom II X4 965 Processor 3,40 Ghz
Nvidia Geforce GTX650 Ti BOOST
8GB DDR3 Ram
64Bit Windows 7 SP1

Battlefield Bad Company 2 crashes with the same error display.
Call of Duty Modern Warfare 1 & 2, The Forest, City Skylines and Kingdom are working perfectly on the current system.

Event Timeline

Daymin created this task.Jul 21 2016, 8:31 PM
Daymin edited Additional Information. (Show Details)Jul 22 2016, 8:56 AM
Daymin edited Additional Information. (Show Details)Jul 22 2016, 8:59 AM
razazel claimed this task.Jul 22 2016, 9:06 AM
razazel changed the task status from New to Need More Info.
razazel added a subscriber: razazel.


thank you for the feedback.

Please try to check out these steps to see whether there is something you might have missed during your efforts to get the game running.

Please let me know once you try everything.


Daymin added a comment.EditedJul 22 2016, 10:10 AM

Thank you for your help!

I've followed the steps and Dependency Walker found missing files.
I added a screenshot with the red files.

Is it a special program which I need to install/repair to get those dlls ?
I've googled those files and I only came to the conclusion that these api sets are not available for Windows 7 or lower, which doesn't make much sense.
Dependency Walker detects these files because the tool is a bit out-dated (last update 3 years before my operating system release).
For example the file "IESHIMS.DLL" belongs to Internet Explorer and I don't think Arma 3 uses files which are part of IE.

razazel changed the task status from Need More Info to Reviewed.Jul 26 2016, 2:58 PM


could you please attach generated DWI file to this ticket?


I have the same issue DWI attached.

thx for merging them but can anyone decode the dwi?

only issue is that this thread was opened over a year ago,,,I do't know what I'm looking for in the DWI.

dedmen added a comment.Oct 5 2017, 3:37 PM

I can.. But I don't really see the needed info.
Is you game crashing? Do you have crashdumps?

I fixed it by process of manual elimination and found it was a bad X3DAudio1_7.dll

for the WOWsys64 folder