Opening a PDF shows a “missing plugin” error

Update:  This will still show an error, however users will now see a link at the top of the page that allows them to download the PDF:

Opening an embedded PDF in Firefox - click on the link at the top.

Problem: Students clicking on a PDF that has been added to a course using the File command (see image) are presented with a grey screen and an error message that refers to a “missing plugin”. This has been reported on various browsers on Apple computers, including Firefox and Safari.


Faculty: Here’s how to make sure your PDF’s are accessible to your students.

  1. Click the grey chevron drop-down menu button next to the file name and choose Edit (you must be in “edit mode” to do this).
  2. Scroll to the option to “Open in New Window” and click Yes.
  3. Submit.

Students: If you are experiencing this problem, click on the link at the top of the page to download the PDF and open it on your computer.