I use my middle mouse button for module 3 and it frequently becomes unresponsive.
Mouse is an MX518 if it helps.
Please follow the report guide!
[http://forum.star-conflict.com/index.php?/topic/15569-how-to-report-control-related-bugs/](< base_url >/index.php?/topic/15569-how-to-report-control-related-bugs/)