I'm using 10.6.8
This is the response in Console
29/03/2013 08:57:09 Alfred Preferences[264] *** -[NSCFArray insertObject:atIndex:]: attempt to insert nil
This is the url
http://www.istockphoto.com/istock_login.php
but the problem is that when I click or double click on Open URL nothing happens so I don't get the chance to enter a url.
I did try that before I asked the question but it doesn't respond, it seemed the logical place to put it! I have OSX 10.6.8 but I couldn't find any restrictions on OS versions with Alfred 2.