Assume that you open an entity form or use the window.open method to open a new window in Microsoft Dynamics CRM. When you close the form or the new window before the loading has finished, Internet Explorer crashes and reloads all active windows. This issue occurs on computer that has Internet Explorer 11, Internet Explorer 10, or Windows Internet Explorer 9 installed.
To resolve this problem, install the most recent cumulative security update for Internet Explorer. To do this, go to Microsoft Update. Additionally, see the technical information about the most recent cumulative security update for Internet Explorer.
Note This update was first included in March cumulative security update for Internet Explorer (MS15-018).
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.
See the terminology that Microsoft uses to describe software updates.