SDW's right, I get the same phenomenon. I use explorer on all my computers, though, so it could be something with that specific browser.
What about you, SDW? Explorer? I use Firefox or anything but Explorer, but a copy is installed and I"ll check it out. Plus, this may already be documented on the software's site, I'll check their bug list, too. There's a section for Explorer-specific bugs. Thanks, Microsoft!
Did I mention that if you install Ubuntu, the browser is Firefox!