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How to Re-Enable the about:config Warning Message in Firefox 3

If you’ve spent any time tweaking Firefox 3, you’ve probably seen the warning message telling you that you probably shouldn’t be changing any settings. Thankfully you can remove the checkbox and make the message go away… but what if you wanted it back?

I know what you are thinking… why would you possibly want it back?

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If you are customizing Firefox for somebody else and you turned the warning off… you might want to re-enable it after you are done to help prevent them from making changes.

Re-Enable about:config Warning

Type in about:config into the address bar, and then filter by the following:

general.warnOnAboutConfig

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Just double-click on the item to change the value back to true, and the warning message will show up again.

Lowell Heddings, better known online as the How-To Geek, spends all his free time bringing you fresh geekery on a daily basis. You can follow him on if you'd like.

  • Published 05/28/08

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