Wow thats hardcore,what about just setting up a dual boot environment. Don't thing i could go back to XP, i held out from win7 until last december. I really liked XP, i think 7 works better with multiple cores and with 64 bit or so i read. Try just cleaning all traces out[including registry] and install without the add-ons in a new directory. I read in the forums that it shouldn't be installed in programs or programs x86 in windows7 , you probably read all this already on the other achtung panzer forums . So far no errors for me, but it's like just waiting for it to happen. It seemed like once you got the first one, they started to happen more frequently. Good luck, hope to see some screenshots from ya soon.
Enjoy when you can, and endure when you must. ~Johann Wolfgang von Goethe
"Be Yourself; Everyone else is already taken" ~Oscar Wilde
*I'm in the Wargamer middle ground*
I don't buy all the wargames I want, I just buy more than I need.