Problem on WindowsXP (likely will happen on all Win installs), first time using Mercurial. I found the answer in an inobvious place so I\'m asking/answering the question myself
Here is what worked like a charm for me on Windows XP:
C:\Program Files\Mercurial\hgrc.d assuming you have installed Mercurial to C:\Program Files\Mercurial\.Mercurial.RC file in there.C:\Documents and Settings\ [USERNAME]\Mercurial.RC to Mercurial.ini.Edit the [ui] section like so:
[ui]
; editor used to enter commit logs, etc. Most text editors will work.
editor = notepad
verbose = True
username = userEmail@domain.com