SERIALNUM Error Report Fix

Question

An Autodesk product failed to send the required value for SERIALNUM.

Answer

1. Toggle off .NET 3.5.1, reboot your computer, toggle back on .NET 3.5.1 and reboot your computer again. Then try to run Autodesk Inventor. In Windows 7, this option can be found in Programs and Features > Turn Windows Features on or off.