Learn@UW - Cannot Select from Course Offering Files in "Insert Stuff" using Internet Explorer
If Compatibility mode is turned ON for your site, you will receive a 'No Items found' in your selected folder even though it contains files and your browser may possibly crash.
Using Internet Explorer, if you are unable to select from Course Offering files in the "Insert Stuff" interface in the HTML editor, the probable cause is that Compatibility mode is turned ON for your site.
This is a known issue.
To resolve the problem, turn Compatibility OFF for your site.