If you encounter the following Microsoft Visual Basic for Applications error when attempting to use the Articulate features in PowerPoint...
Compile error in hidden module: bConstantsAndAPIDeclarations.
This error commonly occurs when code is incompatible with the
version, platform, or architecture of this application. Click "Help" for
information on how to correct this error.
...it indicates one of the following:
Unsupported version of Microsoft Office 2010 is installed
If you're using Microsoft Office 2010, be sure you have a supported version.
Microsoft Office needs to be reinstalled
If you're using a supported version of Microsoft Office, you'll need to reinstall your software by following the steps in this article for your version of Windows.