Microsoft Internet Explorer was heavily hit this week with the Latest Microsoft Endpoint Update as well as Symantec Endpoint updates. While Symantec released a fix, Microsoft is still working on updated version to fix this issue.

1. The Latest Microsoft Protection breaks Internet Explorer downloads, for more details check the following article http://blogs.technet.com/b/configmgrteam/archive/2015/02/19/known-issue-endpoint-protection-blocks-internet-explorer-downloads.aspx                                                                                                                                                                                                                         
2. Symantec Endpoint protection update crashes Microsoft Internet Explorer. For more details check the following article http://news.softpedia.com/news/Symantec-Confirms-Faulty-Antivirus-Update-That-Caused-Internet-Explorer-Crashes-473883.shtml

The Symantec update affected both Windows 7 and Windows 8 machines while the Microsoft Endpoint update was mainly observed on Windows 8.1 machines. Users should stay tuned for an expected quick fix from Microsoft.