Symptoms
This issue may occur when you open an application in two tabs and then switch from one tab to the other repeatedly.
Cause
This issue occurs because an access violation occurs in Mshtml.dll file.
Resolution
To fix this issue, 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 the MS16-009: Security update for Internet Explorer: February 9, 2016.
Status
Microsoft has confirmed that this's a problem in the Microsoft products that are listed in the "Applies to" section.
References
Learn about the terminology that Microsoft uses to describe software updates.