I notice there is a line $config['install_lock'] = ""; in the config file but I cannot find any reference to this in the docs.

What does this do exactly?

2 Answers 2


I'm guessing here, but I can't test right now. Can you?

I guess it prevents the edition of the config.php file by the Config File Editor: Control Panel > Admin > System Administration > Config File Editor

  • Hi Robson, I tried that but I was still able to edit it.
    – Kenny
    Commented Oct 17, 2014 at 11:42
  • Maybe EllisLab forgot that line on the file. Write them an email an email.
    – Sobral
    Commented Oct 17, 2014 at 13:44

I think it's to prevent loading the installer interface if there's an 'installer' folder. But may not affect newer EE versions?

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