Error when using apt-get update
Open Software & Updates,
Click other software tab,
Uncheck http://ppa.launchpad.net/upubuntu-com/web/ubuntu/ trusty main under other softwares tab and close it.
Now you can update(sudo apt-get update).
Open Software & Updates,
Click other software tab,
Uncheck http://ppa.launchpad.net/upubuntu-com/web/ubuntu/ trusty main under other softwares tab and close it.
Now you can update(sudo apt-get update).