I realize this question has been asked multiple times and I've browsed through the answers and tried out the suggestions in them as good as I could. Still, the problem remains.
Since some replies to the question suggest to copy&paste the result of sudo apt-get update
, I add it here, with the links it lists deleted since my reputation isn't good enough to be allowed posting more than two of those.
Hit:1 http://archive.canonical.com/ubuntu lucid InRelease
Hit:2
Hit:3
Hit:4
Hit:5
Ign:6
Hit:7
Hit:8
Hit:9
Reading package lists... Done
W: Target Packages (partner/binary-i386/Packages) is configured multiple times in /etc/apt/sources.list.d/lucid-partner.list:4 and /etc/apt/sources.list.d/maverick-partner.list:4
W: Target Packages (partner/binary-all/Packages) is configured multiple times in /etc/apt/sources.list.d/lucid-partner.list:4 and /etc/apt/sources.list.d/maverick-partner.list:4
W: Target Translations (partner/i18n/Translation-en_GB) is configured multiple times in /etc/apt/sources.list.d/lucid-partner.list:4 and /etc/apt/sources.list.d/maverick-partner.list:4
W: Target Translations (partner/i18n/Translation-en) is configured multiple times in /etc/apt/sources.list.d/lucid-partner.list:4 and /etc/apt/sources.list.d/maverick-partner.list:4
W: Target Translations (partner/i18n/Translation-en_US) is configured multiple times in /etc/apt/sources.list.d/lucid-partner.list:4 and /etc/apt/sources.list.d/maverick-partner.list:4
W: Target DEP-11 (partner/dep11/Components-i386.yml) is configured multiple times in /etc/apt/sources.list.d/lucid-partner.list:4 and /etc/apt/sources.list.d/maverick-partner.list:4
W: Target DEP-11-icons (partner/dep11/icons-64x64.tar) is configured multiple times in /etc/apt/sources.list.d/lucid-partner.list:4 and /etc/apt/sources.list.d/maverick-partner.list:4
W: http://archive.canonical.com/ubuntu/dists/lucid/InRelease: Signature by key 630239CC130E1A7FD81A27B140976EAF437D05B5 uses weak digest algorithm (SHA1)
W: Target Packages (partner/binary-i386/Packages) is configured multiple times in /etc/apt/sources.list.d/lucid-partner.list:4 and /etc/apt/sources.list.d/maverick-partner.list:4
W: Target Packages (partner/binary-all/Packages) is configured multiple times in /etc/apt/sources.list.d/lucid-partner.list:4 and /etc/apt/sources.list.d/maverick-partner.list:4
W: Target Translations (partner/i18n/Translation-en_GB) is configured multiple times in /etc/apt/sources.list.d/lucid-partner.list:4 and /etc/apt/sources.list.d/maverick-partner.list:4
W: Target Translations (partner/i18n/Translation-en) is configured multiple times in /etc/apt/sources.list.d/lucid-partner.list:4 and /etc/apt/sources.list.d/maverick-partner.list:4
W: Target Translations (partner/i18n/Translation-en_US) is configured multiple times in /etc/apt/sources.list.d/lucid-partner.list:4 and /etc/apt/sources.list.d/maverick-partner.list:4
W: Target DEP-11 (partner/dep11/Components-i386.yml) is configured multiple times in /etc/apt/sources.list.d/lucid-partner.list:4 and /etc/apt/sources.list.d/maverick-partner.list:4
W: Target DEP-11-icons (partner/dep11/icons-64x64.tar) is configured multiple times in /etc/apt/sources.list.d/lucid-partner.list:4 and /etc/apt/sources.list.d/maverick-partner.list:4
Any help is greatly appreciated.