When I try to open firefox i get an unresponsive window for 62s, then error: "Script: chrome://browser/content/customizableui/toolbar.xml:216"
i uninstalled, 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 continue.
Script: chrome://browser/content/customizableui/toolbar.xml:216
Chosen solution
Try to delete a possible user.js file and numbered prefs-##.js files and rename (or delete) the prefs.js file to reset all prefs to the default value including prefs set via user.js and prefs that are no longer supported in the current Firefox release.
You can also check for problems caused by a corrupted localstore.rdf file.
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Try to delete a possible user.js file and numbered prefs-##.js files and rename (or delete) the prefs.js file to reset all prefs to the default value including prefs set via user.js and prefs that are no longer supported in the current Firefox release.
You can also check for problems caused by a corrupted localstore.rdf file.
I deleted prefs and user.js and restarted and problem solved! thanks a million!