It has been bought to our attention that some people are experiencing Autodesk Sync issues when installing a 2013 release product after installing a 2013 beta product. The Autodesk Sync component does not upgrade properly under the following conditions:
• You installed AutoCAD Beta 2013 (or Showcase Beta 2013) and subsequently install Inventor 2013
• You installed Inventor Beta 2013 and subsequently install AutoCAD 2013 (or Showcase 2013).
Please visit the Autodesk website for the solutions.