@wlwqtan, the arma3.rpt files in the report that you have attached show the following error:

Exception code: C0000005 ACCESS_VIOLATION at 0XXXXXXX

Try each and every one of these possible solutions.

0xC0000005 - ACCESS_VIOLATION
This error is very generic. It may be caused by many issues, such as a hardware malfunction, a virus in the computer, but also an error in the game itself. Possible solutions:

• Try joining another server, then rejoin the previous one.
• Update the graphics card drivers to a newer version.
• Rollback the graphics card drivers to an older version.
• Check the temperature of your GPUs and CPUs.
• Verify the integrity of the game cache using Steam.
• Re-install DirectX.
• Uninstall the Visual C++ 2013 Redistributable package (x86 version), restart your computer and install the package again (do not use the Repair function).
• Run a Windows System File Check tool to repair corrupted system files.

Hello,

You can try verify game cache integrity after restarting your computer.

or

You can try the last possible solution called All in One Runtimes tool.

1. Download All in One Runtimes
2. Repair your Visual C++, Java SE, Adobe Flash Player, Adobe Shockwave Player, Silverlight, DirectX
3. Restart computer
4. Launch the game
5. Uninstall the tool

Or you can try reinstall your Direct.

Direct manual installation

Let me know if the issue still persist.

Thank you for your report.