Installing windows update KB4012204 updates the Internet Explorer 11.0 to the following
Update Versions: 11.0.40
On a Service Catalog 14.1 system if a user defined as Service Delivery Administrator or Administrator logs in to the Service Catalog and tries to Access the Service Designer Tab, the contents in this tab is shrunk and is there by maintaining the catalog or creating the new content in catalog difficult. This behavior is only observed in the particular version of Internet Explorer mentioned above.
It is advised to use Google Chrome or Mozilla in the interim to do the development of services or services related components in the service designer tab.
Catalog Engineering team is aware of this problem with Internet Explorer 11 and is working on a solution to rectify this problem faced in Internet Explorer.