Windows 10 "Insider Beta" distributions, especially Build 14971: Warning

Microsoft has a program where users can download the next big change in Windows 10 before it is officially released.  Software in such a state is called "Beta."  Some people reading this may get an email or a popup offering a beta version.  A recent beta is "build 14971.  It has these features:  https://blogs.windows.com/windowsexperience/2016/11/17/announcing-windows-10-insider-preview-build-14971-for-pc/#JXsLhpEj7qs8tetO.97.  Sounds good. However, you should probably skip this one because there is a significant problem with it.  For details, read https://answers.microsoft.com/en-us/insider/forum/insider_wintp-insider_install/windows-10-insider-preview-14971-error-0x80246019/101ab002-20fd-44b1-88bb-c653a21eae7a.  The net of this article is that it crashes under conditions many users will have.