Microsoft to end support to older version of Internet Explorer on January 12, 2016
According to Microsoft, Beginning January 12, 2016, only the most current version of Internet Explorer available for a supported operating system will receive technical supports and security updates. Internet Explorer 11 is the last version of Internet Explorer, and will continue to receive security updates, compatibility fixes, and technical support on Windows 7, Windows 8.1, and Windows 10.
Running older versions of Internet Explorer after January 12, 2016 may expose you to potential risks, such as: security, compliance, lack of ISV support. Please plan to upgrade your Internet Explorer version.
Note that gGastro runs successfully on Internet Explorer 11, 10 and 9, however running versions other than 11 post January 12, 2016 may expose you to the above mentioned risks.
For more information, please visit https://www.microsoft.com/en-us/WindowsForBusiness/End-of-IE-support