[1.5.X] Fixed #19344 - Documented how to run django-admin in a virtualenv on Windows.

Thanks Hourann Bosci for the patch.

Backport of 1e5b0fc4d0 from master

docs/faq/troubleshooting.txt

@@ -5,6 +5,11 @@ Troubleshooting
 This page contains some advice about errors and problems commonly encountered
 during the development of Django applications.
 
+.. _troubleshooting-django-admin-py:
+
+Problems running django-admin.py
+================================
+
 "command not found: django-admin.py"
 ------------------------------------
 
@@ -13,4 +18,34 @@ installed Django via ``python setup.py``. If it's not on your path, you can
 find it in ``site-packages/django/bin``, where ``site-packages`` is a directory
 within your Python installation. Consider symlinking to :doc:`django-admin.py
 </ref/django-admin>` from some place on your path, such as
-:file:`/usr/local/bin`.
+:file:`/usr/local/bin`.
+
+Script name may differ in distribution packages
+-----------------------------------------------
+
+If you installed Django using a Linux distribution's package manager
+(e.g. ``apt-get`` or ``yum``) ``django-admin.py`` may have been renamed to
+``django-admin``; use that instead.
+
+Mac OS X permissions
+--------------------
+
+If you're using Mac OS X, you may see the message "permission denied" when
+you try to run ``django-admin.py``. This is because, on Unix-based systems like
+OS X, a file must be marked as "executable" before it can be run as a program.
+To do this, open Terminal.app and navigate (using the ``cd`` command) to the
+directory where :doc:`django-admin.py </ref/django-admin>` is installed, then
+run the command ``sudo chmod +x django-admin.py``.
+
+Running virtualenv on Windows
+-----------------------------
+
+If you used virtualenv_ to :ref:`install Django <installing-official-release>`
+on Windows, you may get an ``ImportError`` when you try to run
+``django-admin.py``. This is because Windows does not run the
+Python interpreter from your virtual environment unless you invoke it
+directly. Instead, prefix all commands that use .py files with ``python`` and
+use the full path to the file, like so:
+``python C:\pythonXY\Scripts\django-admin.py``.
+
+.. _virtualenv: http://www.virtualenv.org/

docs/intro/tutorial01.txt

@@ -53,24 +53,7 @@ code, then run the following command:
    django-admin.py startproject mysite
 
 This will create a ``mysite`` directory in your current directory. If it didn't
-work, see :doc:`Troubleshooting </faq/troubleshooting>`.
+work, see :ref:`troubleshooting-django-admin-py`.
-
-.. admonition:: Script name may differ in distribution packages
-
-   If you installed Django using a Linux distribution's package manager
-   (e.g. apt-get or yum) ``django-admin.py`` may have been renamed to
-   ``django-admin``. You may continue through this documentation by omitting
-   ``.py`` from each command.
-
-.. admonition:: Mac OS X permissions
-
-   If you're using Mac OS X, you may see the message "permission denied" when
-   you try to run ``django-admin.py startproject``. This is because, on
-   Unix-based systems like OS X, a file must be marked as "executable" before it
-   can be run as a program. To do this, open Terminal.app and navigate (using
-   the ``cd`` command) to the directory where :doc:`django-admin.py
-   </ref/django-admin>` is installed, then run the command
-   ``sudo chmod +x django-admin.py``.
 
 .. note::