Problem logging onto the backend after manual installation / Create user manually
If you are having difficulty logging onto the backend after installing Joomla 3.x to localhost AND you did the installation manually (i.e. without the help of the Joomla web installer) it is because you did not create any users during the setup.
"Unable to connect to localhost"
If you get an error message from your browser telling you "Unable to connect to localhost" and you entered the address correctly as you have done many times before, it probably means that you forgot to put the new port after localhost.
When you install Joomla on your local server, you need to have the correct server environment for running php and managing your mySQL databases. Many people opt for Apache included in XAMPP or WAMP. Problems sometimes arise when the port which the server calls on (i.e. port 80) is already occupied by another program like Skype. For this problem there is a quick and easy fix :-).
One of the most powerfull features of Joomla is built-in multi-lingual support. You can add unlimited languages to your Joomla website and manage those languages easily.
There are a lot of ways to reset Joomla admin user's password. But sometimes the easiest ways are not enough to provide an effective solution especially if your website or its admin user hacked.