*** This bug is a duplicate of bug 455544 ***
https://bugs.launchpad.net/bugs/455544
I'm sorry to hear Ubuntu One isn't working properly for you.
Fortunately, I think there is a workaround for this problem as I believe
it's related to bug 455544 which occurs when the bandwidth preferences
are
** Attachment added: ".home.a..cache.ubuntuone.log.oauth.login.log.txt"
http://launchpadlibrarian.net/36044597/.home.a..cache.ubuntuone.log.oauth.login.log.txt
** Attachment added:
".home.a..cache.ubuntuone.log.syncdaemon.exceptions.log.txt"
http://launchpadlibrarian.net/36044598/.home.a