Mesh coming with weird noise in Vray 2 Max 2014

[Faheem Khan]

Hi everyone this is my first thread here, since i m an old visitor of the forum.

I am facing the weird problem in max 2014 (Vray 2.0).

I made fabric in marvelous designer, initially it was al right importing in max and working on it. Suddenly i appeared black n white noisy. I reset the X from, removed the Uvs and material. but its still coming.. you can see the picture attached.

i wud appreciate ur help

thanks