![](http://2.bp.blogspot.com/_Wn1h6aeHNlw/SFkRy1ET0aI/AAAAAAAAA4o/TMyyKMd7OE0/s400/FF3+old+ext.jpg)
- Type
about:config
into Firefox's address bar and click the "I'll be careful, I promise!" button. - Right-click anywhere. Choose New>Boolean. Make the name of your new config value
extensions.checkCompatibility
and set it tofalse
. - Make another new boolean pair called
extensions.checkUpdateSecurity
and set the value tofalse
. - Restart Firefox.
WARNING: Proceed at your own risk
Credits: LifeHacker
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