Dynamo and Excel not working

Dynamo 1.2
Excel 2016
Revit 2016

Please help!!

@SFruin - Can you add your .dyn and the excel file? We will need to know what warnings are being thrown.

Here is a sample. This script is from DYNAMO. I THINK IT HAS TO DO WITH AN UPDATE TO MY COMPUTER AT WORK. CANT GET ANY EXCEL NODES TO WORK!!!

THANKS FOR THE HELP!!