* etc/PROBLEMS (MS-Windows): Mention the problem with Shell32.dll
on Windows NT4. For the details, see
http://lists.gnu.org/archive/html/emacs-devel/2016-01/msg00835.html.
A workaround is to build Emacs with MinGW runtime 3.x (the latest
version is 3.20).
+** addpm fails to run on Windows NT4, complaining about Shell32.dll
+
+This is likely to happen because Shell32.dll shipped with NT4 lacks
+the updates required by Emacs. Installing Internet Explorer 4 solves
+the problem. Note that it is NOT enough to install IE6, because doing
+so will not install the Shell32.dll update.
+
** A few seconds delay is seen at startup and for many file operations
This happens when the Net Logon service is enabled. During Emacs