Need Some Help With Update Manager

[Praks KK]

Hi,

Can somebody help me with this below message that I get when I open the
Ubuntu Software Center, it crashes in Ubuntu- 12.04.1 LTS -desktop-amd 64
bit.

"Could not initialize the package information"

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/ubuntu-x-swat-q-lts-backport-precise.list'

And I tried to perform below procedure to overcome, but it doesn't work,  I
am not sure what I am doing;-( . can anybody help me in this.

There is an unrecognised entry in the sources file for the gnome3 PPA
source file/etc/apt/sources.list.d/gnome3-team-gnome3-oneiric.list.

If you look in that file, line 3 contains "ain".

Either delete this "ain" entry via

gksu gedit /etc/apt/sources.list.d/gnome3-team-gnome3-oneiric.list

or untick in your software sources the "gnome3-team" PPA and refresh Update
Manager.

Thanks,
Praks
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