Disable Extension Install Delay in Firefox.

Whenever you install an extension, Firefox will show the above message box. Initially the Install button will be grayed out for 3 seconds, during which you have to sit there, watching the timer ticking down. Even though there are very good reasons why such a delay is put in force, still some of us have felt the need to remove that. How do you do that ?

  1. Type about:config into the Firefox address bar and hit enter.
  2. Click on "I'll be careful, I promise!" button.
  3. Enter security.dialog_enable_delay into the Filter text box. Double click on that preference value and change the value to 0

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