This site is being deprecated.
Please see the official X‑Plane Support page for help.
Your GPU does not meet Vive's own requirements for VR, nor does it meet X-Plane's. The first beta allowed rendering one eye at a time so you were able to run. We now only support dual-eye rendering in a single shot for performance reasons, and older cards simply do not support this.
This site is no longer being actively maintained.