ppa.launchpad.net 403 forbidden error

While doing my customary update/upgrade routine on a desktop PC that I am keeping alive, I ran into the following barrier:

[QUOTE]
Err http://ppa.launchpad.net trusty/main i386 Packages
403 Forbidden
W: Failed to fetch http://ppa.launchpad.net/ubuntu-x-swat/x-updates/ubuntu/dists/trusty/main/binary-i386/Packages 403 Forbidden
[/QUOTE]

A Google search produced some Ubuntu answers, but when I tried the proposed Ubuntu solution on the Trisquel repository (short version: switch to the main repository) the above quoted response was repeated.

Is there a more orderly procedure in place ? Nothing about "ppa.launchpad.net 403" in the archives ...

In the meantime, I'll see about updating "trusty" to "belanos" ...

Thanks,
George Langford