We are having that issue intermittently with Intralink 9.0 M030 and
Pro/E WF 3.0 M150 on Windows XP 64bit. We only have 1 64 bit user and he
only rarely accesses the info page, but I saw it happen 3 times in a row
just today and then it worked fine on the 4th try.
Let us know what you find out.