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Possible Duplicate:
Duplicate sources.list entry but cannot find the duplicates?

How do I fix this? I tried doing the apt-get update but it didn't fix it.

W: Duplicate sources.list entry quantal/non-free i386 Packages (/var/lib/apt/lists/apt.insynchq.com_ubuntu_dists_quantal_non-free_binary-i386_Packages)
W: You may want to run apt-get update to correct these problems

I must have added it twice somehow. This is my first time using Ubuntu so I am still learning.

Thanks a lot.

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marked as duplicate by Eric Carvalho, Thomas Ward, gertvdijk, Eliah Kagan, MestreLion Jan 31 '13 at 9:33

This question was marked as an exact duplicate of an existing question.

I would run grep -rn "" /etc/apt. It will show you which files contain the specified text, and if so, on which line in that file.

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