sampo555 thank you very much for your help. It did the trick. Cheers.
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You received this bug notification because you are a member of Ubuntu
Bugs, which is subscribed to Ubuntu.
https://bugs.launchpad.net/bugs/1159356
Title:
Error while trying to upgrade from 12.04 to 12.10
To manage notifi
You seem to have tons of PPAs installed in your system. In this case
software installed from those sources block the upgrade.
At least following PPAs need to be removed before the upgrade can succeed:
ppa:ubuntu-x-swat/x-updates
ppa:xorg-edgers/ppa
To do that, please install ppa-purge and run 'su
