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copied!<p>Here is your problem:</p> <pre><code>sys.path.append('F:\Program Files\Python26\Lib\site-packages\py2exe') </code></pre> <p>A backslash (<code>\</code>) is an <a href="http://en.wikipedia.org/wiki/Escape_character" rel="nofollow noreferrer" title="escape character">escape character</a> and interperted in a special way by almost all programming languages, including Python.</p> <p>It's unfortunate that DOS (And by extension Windows) also uses the backslash as a directory separator instead of a a slash. <a href="https://superuser.com/questions/176388/why-does-windows-use-backslashes-for-paths-and-unix-forward-slashes" title="there is a bit of history behind this">There is a bit of history behind this</a>...</p> <p>In any case, you have a few options:</p> <p>Use slashes. Python will convert them to backslashes internally.</p> <pre><code>d = 'C:/Program Files/' </code></pre> <p>Use two backslahes, this will escape the backslashes and insert a single backslashes.</p> <pre><code>d = 'C:\\Program Files\\' </code></pre> <p>Use a "raw" string which doesn't interpret escape character. Do this by adding a <code>r</code> before the string.</p> <pre><code>d = r'C:\Program Files\' </code></pre> <p>I personally prefer the first solution. But I've seen the other two being used quite a bit too. Note that this also works the other way around, so if you use backslashes Python will convert it to slashes on UNIX and Linux systems.</p> <p>As a free bonus hint, this may also be a good place to point out the <a href="http://docs.python.org/library/os.path.html#os.path.join" rel="nofollow noreferrer" title="os.path.join()">os.path.join()</a> function :)</p>

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