THE REAL WORLD DOES NOT HAVE A MOD
When the game crashes, usually the reason for the crash is explained in Hw2.log, but there're some cases that there's simply no reason for the crash...
I can't run Homeworld HOD tools on Win7 Ultimate 64-bit, I finnaly solved this problem by installing a Win XP virtual OS.
The video driver error message may always pop up when you start Homeworld 2. You can easily fix it by yourself.
Here're some useful stuff for making your Homeworld mod.