I have this problem where I get this strange shadows when I render my image. I use 3D Studio Max, VRay render and the render setup i have image sampler: adaptive subdivision and antialiasing filter area. I use VRay lights only and VRay Physical Camera.
I followed the tutorial and when I render the image is just black after 15 minutes. It says that it´s building light cache but how long does that take?
check if scale of scene is ok and also system and display units.. if not use Tools > Rescale Units tool.. Check for http://www.mintviz.com/blog/vray-render-settings-for-interior-visualisation/