Later versions (v250+) moved to a 64-bit only architecture and changed the camera capture API. This broke compatibility with many old USB webcams (Logitech QuickCam, PS3 Eye). and the older, more universally compatible DirectShow drivers.
Many users accidentally download the older 1.7 version or source code. facetracknoir v201 install
is often preferred by enthusiasts for its higher frame rate. 2. Step-by-Step Installation Guide Later versions (v250+) moved to a 64-bit only