Updater error about virtualbox.
In terminal I downloaded virtualbox key
sudo apt-key add oracle_vbox.asc
But did not finish the installation of virtualbox.
was already installed, using software centre.
When running update manager I now get this error message:W:Failed to fetch http://download.virtualbox.org/virtualbox/
debian/dists/precise/InRelease Unable to find expected entry
'contrib/source/Sources' inRelease file (Wrong sources.list
entry or malformed file)
,E:some index files failed to download. They have been ignored,
or old ones used instead.
How can I end the error messages?
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