Internet Explorer might keep closing due to corrupted data within the browser itself. It may be cookies copied in the hard disk to make the computer work faster or add-ons that conflict with the browser's ordinary functions. Security software, malware and viruses may also create issues.
Data gets copied from the visited website, which stores bits of information called cookies on a hard drive. While cookies help load information faster, they can also conflict with other data and cause a browser to crash. Internet Explorer saves a variety of information, including Web histories, temporary files and other data that is entered.
Sometimes when system automatic updates are not set, a browser may be infected with malware, and malicious attacks may cause Internet Explorer to shut down. A firewall or anti-virus software may be interfering with Internet Explorer, causing it to shut down.