Install the latest version of Internet Explorer 11. Or, update to the latest version of Internet Explorer 11. 

Older versions of Internet Explorer (liek ID 9 or 10) are not support for Content Central v7.5 Document Management System.

In the IE 11 Menu Pop-up, select "Internet Options".

In "Internet Options" under "General" Tab, click "Delete .."

In "Delete Browsing History" menu:

UNCHECK - Preserve Favorites website data

CHECK - Temporary Internet Files

CHECK - Cookies and website data

CHECK - History

Click "Delete". 

Wait for the ribbon prompt at the bottom of Internet Explorer for the completion of the tasks.