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 (http://feedback.arma3.com). 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"
Version: 1.5.149.102
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

Exception

System.IO.FileNotFoundException: Could not load file or assembly 'System, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089' or one of its dependencies. The system cannot find the file specified.
File name: 'System, Version=4.0.0.0, 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=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089; C:\Windows\Microsoft.NET\Framework\v4.0.30319\mscorlib.dll
• arma3launcher, Version=1.5.149.102, Culture=neutral, PublicKeyToken=null; D:\Steam\steamapps\common\Arma 3\arma3launcher.exe
• log4net, Version=1.2.13.0, Culture=neutral, PublicKeyToken=669e0ddf0bb1aa2a; D:\Steam\steamapps\common\Arma 3\Launcher\log4net.dll

Assembly resolution

Resolving System, Version=4.0.0.0, 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:
https://feedback.bistudio.com/w/ft_a3_howto/gamecrash/