Hi,
I tried to run FC 1.1 on a Win64 machine and encountered 2 issues:
1. the SF does not support it (same to what you got)
2. TrackIR does not support it: http://forums.naturalpoint.com/cgi-bin/ultimatebb.cgi?ubb=get_topic;f=5;t=000203
Standing by.
S77th-Python.