Install RELEASE Showed up in menu [SOLVED]

[bigj231]

The title says it all. "Install RELEASE" showed up in the menu. It's under the Administration sub-menu. I can't find it to remove it in the "Edit menu" app. Running Mint 13 with backports from 14. Does it simply update to Mint 14, or is it something I should look into?
Thanks in advance for your help.
Output of uname -a: (ellipsis are hiding hostname)

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Linux (...) 3.2.0-33-generic #52-Ubuntu SMP Thu Oct 18 16:29:15 UTC 2012 x86_64 x86_64 x86_64 GNU/Linux

[bigj231]

I ended up fixing it. It was remnants of ubiquity left after installation. I do find it odd that it only showed up after installing the backports from 14 though. Hopefully somebidy finds this useful.
The line of code I used was.

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sudo apt-get purge ubiquity*