Please let us know in note section if you are still able to reproduce this issue in latest Development build.

If so, please send us dxdiag and files from this folder: "C:\Users\<Name>\AppData\Local\Arma 3 Alpha\"

Can you pack the files in winrar and upload it somewhere?
When the *.rar will be smaller than 2.097k, you can attach it here. Thank you.

For future reporting please refer to "how to guide" http://feedback.arma3.com/how-to-user.html.html

Closing due to lack of info / response in a long time.

If this issue is still reproducable for you, please create a new ticket for it and make sure to include all necessary information (files etc.).