Arma 3 Install Guide
If your game freezes when you load into the server. Try the following to resolve the issue.
1. Run the Permissions_Fix.bat in your Arma 3 directory(as Administrator).
2. Disable windows error reporting.
If you continue to have a problem you can unlock full admin on your computer and reinstall.
1. Unlock Full Admin.
2. Reinstall the game with your full admin account.