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Repeated error message - Type Error:componets.classes['@mozilla.org/extensions/manager;'] is undefined. Happened since last updated Firefox a week ago. And my "home" and "reload" buttons disappeared. What to do?

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  • 11 má tento problém
  • 5 zobrazení
  • Posledná odpoveď od TonyE

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When I click onto my home screen or onto the net from an html or web address in an email or on line file, I get the message specified in the question. (Preceded by a yellow! symbol). This has happened since I updated Firefox/Mozilla last week.

When I click onto my home screen or onto the net from an html or web address in an email or on line file, I get the message specified in the question. (Preceded by a yellow! symbol). This has happened since I updated Firefox/Mozilla last week.

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The error message indicates that you are using an add-on that is not compatible with Firefox 4. For details of how to troubleshoot this to find out what one is causing the problem see https://support.mozilla.com/kb/Troubleshooting+extensions+and+themes


In Firefox 4 by default the Stop, Go and Reload buttons are combined and attached to the right hand edge of the location bar.

When you are typing in the location bar it will show the Go button. When a site is loading it shows the Stop button. At other times it shows the Reload button.

If you want separate buttons, right-click on a toolbar and choose Customize, you can then drag and drop the stop or reload buttons and place them elsewhere. If you place them in the order "Reload-Stop" on the right hand edge of the location bar they will be combined again. For more details on customizing the toolbar see https://support.mozilla.com/kb/How+to+customize+the+toolbar


The Home icon by default has moved to the right hand side of the navigation toolbar.