To further add to this issue: If you delete the default panel and replace it, you can no longer move an applet round the screen and make any invisible and unclickable panels appear. You need to reinstall Gnome and reset to get the original panel back.
To further add to this issue: If you delete the default panel and replace it, you can no longer move an applet round the screen and make any invisible and unclickable panels appear. You need to reinstall Gnome and reset to get the original panel back.