Sorry my eng first.
Sometimes vray hangs and every single setup gets to default , all settings of render , all materials , they also disappeard from vray material list… really great.
Re: Hangs and load defaults
Ok great again some bug… i set all on model , load some components and then it hangs = def material , no my material , everything @#&$&2 up 
, ist normal i do sometimes ? again i must all job from start , when i buy full version will be the same problem ?