On my laptop, whenever I try to install/upgrade packages I get a message saying that the packages cannot be authenticated and asking if I want to continue. I say I do and things then proceed normally. This does not happen on my desktop. Any way to fix this? Anthony -- ac@acampbell.org.uk || http://www.acampbell.org.uk for using Linux GNU/Debian || blog, book reviews, electronic Microsoft-free zone || books and skeptical articles