This site is being deprecated.
Please see the official X‑Plane Support page for help.
You can check your version by selecting Settings > About X-Plane. For now there is X-Plane 11.00r1 (build 110025 64-bit). Otherwise you should update your X-Plane 11 (PB 17 it was beta version). The installer will guide you through the process of updating your copy of X-Plane 11 to the latest version.
This site is no longer being actively maintained.