Please load both hotfixes from the link below:
http://usa.autodesk.com/adsk/servlet/ps/dl/index?siteID=123112&id=2334435&linkID=9338138
Also, if you have any older versions or DWF viewers on the machine, it may cause an issue. please make sure all older viewers are removed.
Shawn Niles
Autodesk Product Support
Shawn Niles