I have the small red cross icon in my indicator applet, and upon hovering it says that An error occurred while checking for updates. Because of this, I can't edit the selected repositories through synaptic, which refuses to open the dialog and instead just tries to update the package list.
Get:1 http://dl.google.com stable Release.gpg [197B]
Hit http://archive.ubuntu.com maverick Release.gpg
Ign http://archive.ubuntu.com/ubuntu/ maverick/main Translation-en
Hit http://extras.ubuntu.com maverick Release.gpg
Ign http://extras.ubuntu.com/ubuntu/ maverick/main Translation-en
Hit http://ppa.launchpad.net maverick Release.gpg
Ign http://ppa.launchpad.net/elementaryart/ppa/ubuntu/ maverick/main Translation-en
Ign http://ppa.launchpad.net/elementaryart/ppa/ubuntu/ maverick/main Translation-en_GB
Ign http://dl.google.com/linux/chrome/deb/ stable/main Translation-en
Hit http://archive.ubuntu.com/ubuntu/ maverick/main Translation-en_GB
Ign http://archive.ubuntu.com/ubuntu/ maverick/multiverse Translation-en
Hit http://archive.ubuntu.com/ubuntu/ maverick/multiverse Translation-en_GB
Ign http://archive.ubuntu.com/ubuntu/ maverick/restricted Translation-en
Hit http://archive.ubuntu.com/ubuntu/ maverick/restricted Translation-en_GB
Ign http://archive.ubuntu.com/ubuntu/ maverick/universe Translation-en
Hit http://archive.ubuntu.com/ubuntu/ maverick/universe Translation-en_GB
Hit http://archive.ubuntu.com maverick-updates Release.gpg
Ign http://archive.ubuntu.com/ubuntu/ maverick-updates/main Translation-en
Ign http://extras.ubuntu.com/ubuntu/ maverick/main Translation-en_GB
Hit http://extras.ubuntu.com maverick Release
Hit http://ppa.launchpad.net maverick Release.gpg
Ign http://ppa.launchpad.net/nikount/orta-desktop/ubuntu/ maverick/main Translation-en
Ign http://ppa.launchpad.net/nikount/orta-desktop/ubuntu/ maverick/main Translation-en_GB
Hit http://ppa.launchpad.net maverick Release.gpg
Ign http://ppa.launchpad.net/stk/dev/ubuntu/ maverick/main Translation-en
Ign http://ppa.launchpad.net/stk/dev/ubuntu/ maverick/main Translation-en_GB
Hit http://ppa.launchpad.net maverick Release.gpg
Ign http://ppa.launchpad.net/tiheum/equinox/ubuntu/ maverick/main Translation-en
Ign http://ppa.launchpad.net/tiheum/equinox/ubuntu/ maverick/main Translation-en_GB
Ign http://archive.ubuntu.com/ubuntu/ maverick-updates/main Translation-en_GB
Ign http://archive.ubuntu.com/ubuntu/ maverick-updates/multiverse Translation-en
Ign http://archive.ubuntu.com/ubuntu/ maverick-updates/multiverse Translation-en_GB
Ign http://archive.ubuntu.com/ubuntu/ maverick-updates/restricted Translation-en
Ign http://archive.ubuntu.com/ubuntu/ maverick-updates/restricted Translation-en_GB
Hit http://ppa.launchpad.net maverick Release
Hit http://ppa.launchpad.net maverick Release
Hit http://ppa.launchpad.net maverick Release
Hit http://extras.ubuntu.com maverick/main Sources
Ign http://archive.ubuntu.com/ubuntu/ maverick-updates/universe Translation-en
Ign http://archive.ubuntu.com/ubuntu/ maverick-updates/universe Translation-en_GB
Hit http://archive.ubuntu.com maverick-security Release.gpg
Ign http://archive.ubuntu.com/ubuntu/ maverick-security/main Translation-en
Ign http://archive.ubuntu.com/ubuntu/ maverick-security/main Translation-en_GB
Hit http://ppa.launchpad.net maverick Release
Hit http://extras.ubuntu.com maverick/main i386 Packages
Ign http://archive.ubuntu.com/ubuntu/ maverick-security/multiverse Translation-en
Ign http://archive.ubuntu.com/ubuntu/ maverick-security/multiverse Translation-en_GB
Ign http://archive.ubuntu.com/ubuntu/ maverick-security/restricted Translation-en
Ign http://archive.ubuntu.com/ubuntu/ maverick-security/restricted Translation-en_GB
Ign http://archive.ubuntu.com/ubuntu/ maverick-security/universe Translation-en
Hit http://ppa.launchpad.net maverick/main Sources
Hit http://ppa.launchpad.net maverick/main i386 Packages
Ign http://dl.google.com/linux/chrome/deb/ stable/main Translation-en_GB
Ign http://archive.ubuntu.com/ubuntu/ maverick-security/universe Translation-en_GB
Hit http://archive.ubuntu.com maverick Release
Hit http://archive.ubuntu.com maverick-updates Release
Hit http://archive.ubuntu.com maverick-security Release
Hit http://ppa.launchpad.net maverick/main Sources
Hit http://ppa.launchpad.net maverick/main i386 Packages
Hit http://ppa.launchpad.net maverick/main Sources
Hit http://ppa.launchpad.net maverick/main i386 Packages
Get:2 http://dl.google.com stable Release.gpg [197B]
Hit http://archive.ubuntu.com maverick/main Sources
Hit http://ppa.launchpad.net maverick/main Sources
Hit http://ppa.launchpad.net maverick/main i386 Packages
Hit http://archive.ubuntu.com maverick/restricted Sources
Hit http://archive.ubuntu.com maverick/universe Sources
Hit http://archive.ubuntu.com maverick/multiverse Sources
Hit http://archive.ubuntu.com maverick/main i386 Packages
Hit http://archive.ubuntu.com maverick/restricted i386 Packages
Hit http://archive.ubuntu.com maverick/universe i386 Packages
Hit http://archive.ubuntu.com maverick/multiverse i386 Packages
Hit http://archive.ubuntu.com maverick-updates/main Sources
Ign http://dl.google.com/linux/talkplugin/deb/ stable/main Translation-en
Hit http://archive.ubuntu.com maverick-updates/restricted Sources
Hit http://archive.ubuntu.com maverick-updates/universe Sources
Hit http://archive.ubuntu.com maverick-updates/multiverse Sources
Hit http://archive.ubuntu.com maverick-updates/main i386 Packages
Hit http://archive.ubuntu.com maverick-updates/restricted i386 Packages
Hit http://archive.ubuntu.com maverick-updates/universe i386 Packages
Hit http://archive.ubuntu.com maverick-updates/multiverse i386 Packages
Ign http://dl.google.com/linux/talkplugin/deb/ stable/main Translation-en_GB
Get:3 http://dl.google.com stable Release [1,347B]
Hit http://archive.ubuntu.com maverick-security/main Sources
Hit http://archive.ubuntu.com maverick-security/restricted Sources
Hit http://archive.ubuntu.com maverick-security/universe Sources
Hit http://archive.ubuntu.com maverick-security/multiverse Sources
Hit http://archive.ubuntu.com maverick-security/main i386 Packages
Hit http://archive.ubuntu.com maverick-security/restricted i386 Packages
Hit http://archive.ubuntu.com maverick-security/universe i386 Packages
Get:4 http://dl.google.com stable Release [1,347B]
Hit http://archive.ubuntu.com maverick-security/multiverse i386 Packages
Get:5 http://dl.google.com stable/main i386 Packages [1,076B]
Get:6 http://dl.google.com stable/main i386 Packages [735B]
Fetched 4,899B in 4s (1,060B/s)
Reading package lists...
Best Answer
The first step is to cut out the "middle-man" tools and work with commands that are invoked on your behalf:
Any errors generated by these commands would be most informative when appended to your original question. If the
check
fails, do as it instructs or stop and post your result.