WebCam not found Error?

The webcam will not be found on a particular chat website that i visit. Every other site finds my cam. except this one in particular. Ive updated java 32 and 64bit. Ive allowed all permissions in firefox and chromium based browsers. Windows is set to allow and so is logitec. I dont understand why one site will not find the “device” can anyone direct me as to what it could be