Ubuntu One problem with instalation

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http://askubuntu.com – i've tried to install Ubuntu One again and i run into probem. I's trying to do it with Ubuntu software center - instaled ubuntu one but i can not find ubuntu one in menu so a marked to install ubuntuone-control-panel-gtk and i saw this - "ubuntuone-control-panel-gtk: Wymaga: ubuntuone-installer but it is not installable" I downloaded ubuntuone installer but i can not install it - E: Package 'ubuntuone-installer' has no installation candidate (HowTos)