In Chrome v42 and newer, Google disables NPAPI plugins by default. Silverlight is a NPAPI plugin that is currently required to use CACH'EYE. If you have Silverlight installed but see the prompt "To use this, please install Microsoft Silverlight" please follow the below steps to resolve the issue.
(1) Open Chrome and browse to chrome://flags/#enable-npapi
(2) Click the Enable NPAPI setting.
(3) After that, click "Relaunch Now" at the bottom of your Chrome window. Note: Closing and reopening Chrome is not sufficient, you must click the "Relaunch Now" button.
Happy Caching!
kreizweh