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Arma 3 not launching
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Error message after clicking play


Operating System
Windows 10 x64
Operating System Version
10.0.19044 Build 19044
Steps To Reproduce

Launch Arma from Steam
Click Play
Receive error that stops launch

Additional Information

Event Timeline

Tenshi added a subscriber: Tenshi.EditedMon, Jul 25, 5:40 PM

Hello, we checked your crashlog seems the crash is happening in combination with XAudio2_7!LEAPCORE, what ever that might be.
Are you using a USB (Wireless) headset?
If so could you try playing the game without headset plugged in or with a wired headset to see if thats the cause?

ARMA will not launch. Error message: Arma 3 Launcher Exception Log

Arma 3 Launcher has encountered an unexpected error described below.
Sorry for the inconvenience.
Please report this on Arma 3 Feedback Tracker ( Thanks to you we may fix the issue faster!

System information

Date: 2022-07-28 04:35:00 / 2022-07-28 00:35:00 -04
Current dir: D:\Steam\steamapps\common\Arma 3
AppData dir: C:\Users\IRV\AppData\Local
Command line: "D:\Steam\steamapps\common\Arma 3\arma3launcher.exe"
CLR version: 4.0.30319.42000
OS Version: 10.0.19044.0 (Microsoft Windows NT 10.0.19044.0)
OS 64 bit: True
Process 64 bit: False
Personal dir: D:\Documents
Culture: en-US
UI Culture: en-US
Point of log: Unhandled Exception


System.IO.FileNotFoundException: Could not load file or assembly 'System, Version=, Culture=neutral, PublicKeyToken=b77a5c561934e089' or one of its dependencies. The system cannot find the file specified.
File name: 'System, Version=, Culture=neutral, PublicKeyToken=b77a5c561934e089'

at Launcher.Program.RunLauncher()
at Launcher.Program.Main(String[] args)

WRN: Assembly binding logging is turned OFF.
To enable assembly bind failure logging, set the registry value [HKLM\Software\Microsoft\Fusion!EnableLog] (DWORD) to 1.
Note: There is some performance penalty associated with assembly bind failure logging.
To turn this feature off, remove the registry value [HKLM\Software\Microsoft\Fusion!EnableLog].

Modules and assemblies

  • mscorlib, Version=, Culture=neutral, PublicKeyToken=b77a5c561934e089; C:\Windows\Microsoft.NET\Framework\v4.0.30319\mscorlib.dll
  • arma3launcher, Version=, Culture=neutral, PublicKeyToken=null; D:\Steam\steamapps\common\Arma 3\arma3launcher.exe
  • log4net, Version=, Culture=neutral, PublicKeyToken=669e0ddf0bb1aa2a; D:\Steam\steamapps\common\Arma 3\Launcher\log4net.dll

Assembly resolution

Resolving System, Version=, Culture=neutral, PublicKeyToken=b77a5c561934e089

requested by: unknown
not resolved

Hello @BARRETTA92, sorry this doesn't give us the correct information to look into the issue. Can you follow the steps in the link below: