I'm also getting some crashes while loading the FS maps. I got a Belgrade map to work but when I went to the menu and clicked 'disconnect' to end that round I got a Runtime Error. The small error window popped up with the menu still in the background. Don't have a spot to upload the image atm so:
---Microsoft Visual C++ Runtime Library---
Runtime Error!
Program: ...rogram Files\Electronic Arts\Battlefield 2142\BF2142.exe
R6025
- pure virtual function call
Once I clicked OK I was returned to desktop. 
*edit* haven't posted in a while, wtf is this all about?? "The meaning of life, the universe and everything"