Hi!
Recently, I upgraded my favorite browser, Firefox to version 6.0. Well, it looked good until I tried to update my Add-ons. Some Add-ons that had been installed in previous version were not anymore accessible—not even a button or link to delete or install them, were present. Firefox listed them as incompatible with the current version and disabled them.
What I want to do is to update or clean them (delete). But how can I do that, I can’t find any button to do that. Please help if you think you have been experiencing this problem too. Thanks for sharing.
Incompatible Add-ons of Firefox version 6.0
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First, you should set your Firefox in the “Safe Mode”.
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Now, to enter the hidden settings of Firefox, input this about:config into the address field then “Enter”
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Approve the “Warning message”
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The settings that you should search to construct is the extensions.checkCompatibility.6.0
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You can construct the value by clicking on the page, and then choose “New” then the “Boolean”
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Below the “Preference Name” input this : extensions.checkCompatibility.6.0
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For the “Enter Boolean Value” choose the “False”
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Now, restart your Firefox.
Check if the dialogue box of your Add-ons has disappeared. Check also if you can now enable again your add-ons.