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>
>    > No, they key did not change.  Any key changes are broadcasted to all
> lists
>    > including trinity-announce.
>
>    > The error message you posted refers to ppa.launchpad.net; TDE is
> hosted on
> oops
>    > ppa.quickbuild.pearsoncomputing.net.  Did you add a Launchpad PPA
> recently
>    > without adding its signing key?
>
> Right I did so and because I could not receive the key I deleted the
> relevant ppa and run apt-get update again, but somehow the ppa remains
> in the cache...

Look in /etc/apt/sources.list.d/ as the faulty PPA may have added
additional source lines there.

Tim
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