Hello! I am still struggling with this box. At the moment I have neither Icedove nor KMail running (Icedove's data seems to be corrupted.) so may have to give up and go back to Lenny. But I am not keen to do that, so I need to solve yhis one way or another! Sources list on box with David's Trinity: #sources.list ##debian deb http://ftp.uk.debian.org/debian/ squeeze main contrib non-free #deb-src http://ftp.uk.debian.org/debian/ squeeze main contrib non-free # squeeze security and updates deb http://security.debian.org/ squeeze/updates main contrib non-free deb http://ftp.debian.org/debian/ squeeze-updates main contrib non-free Relevant part of output from aptitude update on same box: [snip] Hit http://ftp.uk.debian.org squeeze/contrib i386 Packages Hit http://ftp.uk.debian.org squeeze/non-free i386 Packages Ign http://ppa.quickbuild.pearsoncomputing.net squeeze Release Hit http://ppa.quickbuild.pearsoncomputing.net squeeze Release Ign http://ppa.quickbuild.pearsoncomputing.net squeeze/main Sources Ign http://ppa.quickbuild.pearsoncomputing.net squeeze/main i386 Packages Hit http://ppa.quickbuild.pearsoncomputing.net squeeze/main Sources Hit http://ppa.quickbuild.pearsoncomputing.net squeeze/main i386 Packages Ign http://ppa.quickbuild.pearsoncomputing.net squeeze/main Sources Ign http://ppa.quickbuild.pearsoncomputing.net squeeze/main i386 Packages Err http://ppa.quickbuild.pearsoncomputing.net squeeze/main Sources 404 file does not exist Err http://ppa.quickbuild.pearsoncomputing.net squeeze/main i386 Packages 404 file does not exist Fetched 399 kB in 47s (8,459 B/s) root@hercules:/home/peter# I don't see where the Trinity sources are coming from, since they are not in sources.list. (I wanted to check them.) Lisi