Check if the file ~/.local/share/applications/hp-toolbox.desktop exist, in that case this overrides the desktop file in /usr/share/applications because YOU have activated the hp-toolbox menu item in alacarta.
On a clean installation of dapper, edgy or feisty the file ~/.local/share/applications/hp-toolbox.desktop is not present so HP Toolbox is hidden by default.
The HPLIP Toolbox icon is DISABLED by default on dapper, edgy and feisty:
$ cat /usr/share/ applications/ hp-toolbox. desktop | grep NoDisplay
NoDisplay=true
Check if the file ~/.local/ share/applicati ons/hp- toolbox. desktop exist, in that case this overrides the desktop file in /usr/share/ applications because YOU have activated the hp-toolbox menu item in alacarta.
On a clean installation of dapper, edgy or feisty the file ~/.local/ share/applicati ons/hp- toolbox. desktop is not present so HP Toolbox is hidden by default.