Wodhann
South American Norse God
- Joined
- Feb 27, 2014
- Messages
- 1,507
You might have a case of double/triple vertices, try selecting all vertices and clicking weld/merge/whatever it is in blender. Set it to a low threshold though, as you only want the duplicates to be merged.(b) how can I reduce the number of vertices?
I had to copy all the individual files in the zipped folder into the same folder as the Nexus Viewer, which for me was: 
how about you list out all the steps that you did, so that maybe, just maybe one of them would help someone else? Its always worth a try.
Win8 and Win7, both 64 bit.