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Possible Duplicate:
How do I fix a “Problem with MergeList” error when trying to do an update?

I'm a new user to Ask Ubuntu and I've only recently switched to Ubuntu 12.04.

When I try to open the software center (Ubuntu 12.04 32-bit) it will flash open, load for maybe 1-2 seconds, and then close.

When I try using:

sudo apt-get purge software center
sudo apt-get install
sudo apt-get update
sudo apt-get upgrade

I get this within the terminal:

Reading package lists... Error!
E: Problem parsing dependency Depends
E: Error occurred while processing printer-driver-hpcups (NewVersion2)
E: Problem with MergeList /var/lib/dpkg/status
E: The package lists or status file could not be parsed or opened.

The problem fixed itself after I shut down my laptop for the night and turned it back on to check my e-mail this afternoon. If anyone could tell me how to fix this problem in the future do, I would like to learn about these kind of things because I don't plan on putting Windows on my laptop again: P

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marked as duplicate by jokerdino, Mik, Eliah Kagan, Anwar Shah, Jorge Castro Oct 18 '12 at 18:22

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

You can try sudo apt-get -f install. Not sure it solves the problem, but it might.

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