Description
When you register a user offline (in admin panel) and for Login you select to use an email address then such user will not be able to retrieve his password with 'Forgot your Password?' link.
 
Solution
http://www.viart.com/downloads/admin_user-4.2.zip
 
Download the file above and extract 'admin_user.php' in the /admin folder of your shop replacing existing file. Please do not forget to make a backup copy of the current file in case something goes wrong.