As Sonoma Partner, one of the most competent CRM partners, has noticed, as I have also done, there is a problem and a fix for it. The problem being that the progress dialog that shows up when importing customizations doesn’t go away when using IE 7. Please read more at the Sonoma partner blog:

http://blog.sonomapartners.com/2007/01/importing_custo.html

Gustaf Westerlund
CRM and SharePoint Consultant

Humandata AB
www.humandata.se