Not IE9 but IE8 on Windows 7 did the exact same thing for me. I read forums exactly the same way.

http://empegbbs.com/ubbthreads.php/ubb/showflat/Number/337144

Clearing cookies didn't always work for me though. Since then it has been working fairly well though.
_________________________
Christian
#40104192 120Gb (no longer in my E36 M3, won't fit the E46 M3)