The Info Center can sometimes cause AutoCAD to hang on startup and this can be resolved by modifying a key in the current users profile.
To disable the user key for AutoCAD 2012 set the following to 0:
HKER_CURRENT_USER\Software\Autodesk\AutoCAD\R18.1\ACAD-9001:409\InfoCenter\InfoCenterOn=0
Article ID: 47, Created: March 7, 2014 at 11:44 AM, Modified: March 7, 2014 at 11:44 AM