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I ran command from Noobslabs.com

deb-src http://ppa.launchpad.net/noobslab/themes/ubuntu precise main

but mistyped to

deb-src http://ppa.launchpad.net/noobslab/themes/ubuntu precise main ain

now this wrong command is preventing other apps to work properly and any app i use crashes after sometime.

Problem shown is:

An unresolvable problem occurred while initializing the package information.

Please report this bug against the 'update-manager' package and 
include the following error message:
    'E:Type 'ain' is not known on line 3 in source list
    /etc/apt/sources.list.d/noobslab-themes-precise.list']"

How do I fix this?

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1 Answer 1

up vote 2 down vote accepted

This should fix it:

sudo sed -i 's/ ain//' /etc/apt/sources.list.d/noobslab-themes-precise.list

Otherwise, run sudoedit /etc/apt/sources.list.d/noobslab-themes-precise.list and fix the line manually.

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1st command is not working I also tried 2nd command but I don't know how to save command after editing command line.? –  Manik Rastogi Nov 15 '12 at 1:22
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