Not sure when in the last year that build was made, but using the latest source code from github I don't get that crash, so it must already be fixed.
Interesting.. I thought I was on the newest build. I will have to reinstall and try again. Thanks optigon!
There hasn't been a new build available for a year now. It might be fixed in the source but not in any releases.
I can tell you that the model you linked to has some geometry problems, but I think you already know that.
It may help if you select the whole model, then Face > Hole RMB; that will close all the holes. After that, Separate and Weld and see if it goes better.
Oh yeah, I can definitely work around the issue. In fact, I had already worked around it. lol.
Upon further inspection of my Wings, apparently I am using version 1.4.15.g5bfb ... I honestly don't remember installing a snapshot version, but, there you have it.
Thanks optigon.

Searching by that wings3d version I found this information below at
http://www.serppages.com/site/www.wings3d.com:
Quote:http://wings3d.com/snapshots/
Title: Latest Wings Snapshot - Wings 3D
Latest Wings Snapshot. This snapshot was generated Fri Feb 04 16:40:13 EST 2011. Windows Download. wings-1.4.15.g5bfb.exe. Notes ...
As it is cashed information, it seems it was available in the official site - before all the current changes - the referenced page doesn't exists.
Anyway, it was a snapshot previous to Wings 1.4.1.
(11-27-2012 04:14 PM)micheus Wrote: [ -> ]Searching by that wings3d version I found this information below at http://www.serppages.com/site/www.wings3d.com:
Quote:http://wings3d.com/snapshots/
Title: Latest Wings Snapshot - Wings 3D
Latest Wings Snapshot. This snapshot was generated Fri Feb 04 16:40:13 EST 2011. Windows Download. wings-1.4.15.g5bfb.exe. Notes ...
As it is cashed information, it seems it was available in the official site - before all the current changes - the referenced page doesn't exists.
Anyway, it was a snapshot previous to Wings 1.4.1.
Ah...
That explains why it's fixed now
Thanks Micheus!