Please download the ISO file for the latest build from our website at : http://www.open-e.com/account/products-and-updates/
and update your system to the latest build using that ISO file ( you can check the downloaded ISO file with the .MD5 file to be sure you download the ISO file without any issue).
You can open a support ticket, so we can send you a small update that contain the latest intel NIC drives, that should give you the best performance.