Due to an update to Google Chrome browser on the 4th December 2015, Trusteer Rapport Protection has stopped working and you will experience issues getting onto bank websites.
Trusteer Rapport Protection is commonly used and provided by UK banks when logging into online banking. This is a small piece of software which will allow you secure access to a bank online portal. Some banks will not allow you to use online banking without this software.
At the time of writing this information, Trusteer have confirmed the issue and are working with Google to identify and fix the problem. In the interim, you will need to use an alternate brsower such as Internet Explorer, Firefox or Edge.
Click here for the official response from Trusteer.