The latest version of Google Chrome browser (version 42) released on Thursday, April 16, 2015 has all NPAPI plug-ins including Silverlight turned off by default. Attempting to view a Panopto session in Chrome will result in the following prompt being shown. This prompt is shown even if you have Silverlight installed:
Resolve/Workaround: Follow the steps in this support article to re-enable NPAPI plug-ins. Note: This only works on Windows Operating Systems.
In upcoming releases, Panopto will transition from Silverlight to HTML5. UNI tentatively plans to upgrade our version of Panopto this summer.