problam with the viewer

Hi 

A client sent to me a 3D model and i try to open it in the context capture viewer and it seems like the program open the model but doesn't show it.

I try to update all the computer and also uninstall and install again, nothing works.

The issue is that six months ago its all works fine. 

Also i try to open the file on other computer and its work fine.

any idles what to do ?