Windows 7 Home Premium. 64-bit. I have the dynaTrace AJAX tool installed, though disabled, Java installed but disabled, the Microsoft Messenger Companion installed but disabled, and the Adobe Reader and Flash plug-ins installed and enabled.
I reset all IE settings to default, as well.
I am running in a VirtualBox virtual machine, though I've reproduced this on non-virtual machines, as well.
What else is useful?