Hello,
I just installed win 7 rc x64.
I played aion on Windows 7 beta and I copied folder with aion+client install.
On 7 beta everything was ok, I was able to play with no problem.
Now on my new 7 RC x64 I have that error when I trying to run copy of Aion that I took from last 7 system:
and that error when I trying to install Aion again: