Desktop Login Error


I just installed Ubuntu 16.10 Desktop on my computer, and the system always ask for Ubuntu One login everytime I need to install new Add-Ons, so I create an account on Ubuntu One ( ).

Unfortunately, the login credential can not be used to login on my Desktop, but it’s work on Ubuntu website (I can login on

I tried several times, and also changed my password multiple times, but no still no luck.

Is there any special requirement for Desktop Login ?

Please help.

Thank you


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