As we CRM people often have addons that run on Silverlight, here is to actiate NPAPI and enable Silverlight again.
Pre-requirementsYou need to have a Chrome version lower than 45 and Silverlight (you can get it here) installed on your system.
You can check your Chrome version by typing "chrome://chrome" in the addressbar.
Enable NPAPIFirst step is to enable NPAPI plugins in general. Type "chrome://flags" in your addressbar, search for "NPAPI" and enable it.
After that you need to restart Chrome.
Enable SilverlightNow you can type "chrome://plugins" in your addressbar and enable Silverlight again.