I use Vista HE 32 bit here, and I do not use BH&H yet, waiting for delivery, but I installed CFS3 last week, then installed Phase 2, ran the config in XP compatibility and the world was proper place for flying. Then I got asked to run a Vista update, and noticed it had the .NET 4.0 included, and I've had issues with other software regarding that stuff so I was hesitant to update, but then thought, how can it be important to my new OFF love ? Ran the update, then things started going downhill. Don't be sure that I know what I'm talking about, the .NET 4.0 might not have had anything to do with it at all ! I was playing around with the Multiplayer things too, and might have fargled something up myself !
After trying to get things going, and realizing it was useless, too many strings to tie, I just deleted my OFF folder. Here's where it really get's funky...
When I installed OFF phase 2, I deleted the download like a moron, and remember cursing when I did it lol ! So I had to re-download it again. Finally got it back, and ran the exe's, and for some completely wacked reason, OFF had an error and would not install, but to my complete horror, when I hit ok, un-install, it deleted not only most of the download and exe's from my disk completely, it deleted my CFS3 as well !!
I almost cried lol ! ...couldn't believe that it did that.
Downloaded it again, made sure everything was gone, re-installed CFS3 and now it's fine. There was no real procedure to unistalling OFF, just deleted the folder. But like I said, this is Phase 2, and certaintly not setup like BH&H. I wish I knew more about that stuff to help you out Barkhorn.
After all is said and done, I've put Phase 2 on a usb stick
Goodluck figuring it out, you'll get it...