When trying to download a layout as a PDF by using the Download PDF button in the Layout Preview pane of the Multi-Channel Text Editor, no dialog box appears. As a result, the file cannot be downloaded.
Multiple CS6 installations of InDesign, InCopy, or InDesign Server exist on the machine. When checking the InDesign Server logging, the following error is shown:
PDF Library failed to initialize
Upgrade the InDesign Server installation.