Michael - if you installed from the Calibre site, that is not a ubuntu bug, sorry, try your luck with the author of Calibre (who will probably dismiss your report, as I happends to me frequently). Also, you are using a unsupported version of Ubuntu.
Michael - if you installed from the Calibre site, that is not a ubuntu bug, sorry, try your luck with the author of Calibre (who will probably dismiss your report, as I happends to me frequently). Also, you are using a unsupported version of Ubuntu.