I have had this with other versions and on my case, the answer was to uninstall Office, restart, and reinstall/patch Office.
If that does not work, make a new , test Windows User Profile (Account). Log
If you use NetScaler you will want to see these guides. The NetScaler How To Guides show administrators how to get NetScaler up and configured by providing instructions for common scenarios and some not so common ones.
This is Part 3 in a 3-part series on Experts Exchange to discuss error handling in VBA code written for Excel.
Part 1 of this series discussed basic error handling code using VBA.