An unhandled exception of type 'System.Runtime.InteropServices' occured in the xxx.exe

Error Message

When exporting with ArcPress in a standalone application, the following error may occur: "An unhandled exception of type 'System.RUntime.InteropServices.COMException' occured in the WindowsApplication1.exe"

Cause

The system variable path isn't pointing to the ArcGIS bin directory.

Solution or Workaround

1. Navigate to Control Panel > System > Advanced tab > Environment Variables > System Variables.
   
2. Under System Variables, double-click path.
3. Set the variable value to point to the ArcGIS bin directory:
   
   C:\arcgis\arcexe83\bin
   
   Be sure to include a semi-colon to separate entries. For example:
   
   C:\SomeOtherApp\bin;D:\arcgis\arcexe83\bin