When I try to open firefox I get a window does not respond to 62 s, then the error: ' Script: chrome://browser/content/customizableui/toolbar.xml:216.

I uninstalled and then reinstalled, same error.

A script on this page may be busy, or it may have stopped responding. You can stop the script now, open the script in the debugger or let the script.

Script: chrome://browser/content/customizableui/toolbar.xml:216

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Try to delete a file user.js possible and numbered files prefs-# .js and rename (or delete) the file prefs.js to reset all default prefs, including the defined via user.js and prefs prefs is no longer supported in the current version of Firefox.

You can also check the problems caused by a corrupt localstore.rdf file.

Tags: Firefox

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