Do you have Internet Explorer open when Windows 7 is checking your systems compatibility? You could give the following a try:
Internet Explorer reset:
Might be corrupted add on.
Click Start, type: Internet Options
Select 'Advanced' tab
Under Reset Internet Explorer Settings, click 'Reset'
This should restore Internet Explorer to its default settings.
Also run the Windows 7 Upgrade Advisor which will check your programs and hardware devices to find out if they are ready for Windows 7:
Andre Da Costa http://adacosta.spaces.live.com http://www.activewin.com
Best, Andre Windows Insider MVP MVP-Windows and Devices for IT twitter/adacosta groovypost.com