Dialog Box with Exclamation point

[lnewcombe]

We just installed 2013 and now when closing out 2012 we get a dialog box with an exclamtion point, any ideas???

[rkmcswain]

We just installed 2013 and now when closing out 2012 we get a dialog box with an exclamtion point, any ideas???

It's a known problem, but it doesn't appear to harm anything.
You can ignore it.

Apparently, Revit has the same issue and this article says a repair of .NET will cure it.
http://upandready.typepad.com/up_and_ready/2012/08/revit-2013-the-yellow-triangle-in-an-exclamation-mark-errorsolved.html