Joseph Tews of the Summit Group digs into what’s happening with Server Installation Progress (Not Responding). This can happen with other long running processes as well so pay attention.
Server Installation Progress (Not Responding) » Summit Group Software Blog
Install, Upgrade & AdminMicrosoft & the GP Ecosystem
Archived post from 2011. Dynamics GP and the links it points to have changed since; check current documentation before relying on version-specific steps.