Okay, you'we installed your Joomla site, and want to began to master it. You cluck on the administrator link in the frontend and instantly hit the wall: a blakn page is showing up.

What's the deal? 

The cause is generally simple: This is happening almost always because your 'live-site' setting in your Configuration.php file doesn't correspond with your Administration URL. You either have a www in your live-site setting in your configuration.php file and you are accessing your administration backend without the www or vice versa. It's highly recommended to correct this, the problem can impact even your site's Google rating .

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