Viewing webcasts via Microsoft’s Internet Explorer, the browser may not work correctly due to its updating program released on February 13, 2019.
The amendment programs for this issue are available from Microsoft on February 19, 2019. Please install the program from Windows Update as below.
Windows 10 users: KB4487029
Windows 8. 1 users: KB4487016
Windows 7 users: KB4486565
You can view webcasts on Google Chrome without incident.