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My package manager broke when I installed Heroku

sudo apt-get install <anything> Reading package lists... Error! E: Encountered a section with no Package: header E: Problem with MergeList /var/lib/apt/lists/toolbelt.heroku.com_ubuntu_._en E: The package lists or status file could not be parsed or opened.

What are my next steps to resolve this issue?

Update: I tried reinstalling and got the result below. It seems to be installed, but I get command not found: heroku when I try heroku from the command line. The install command hung on [Waiting for Headers] for a long time.

What is my next step based on these error messages?

 W: GPG error: http://us.archive.ubuntu.com precise Release: The following signatures were invalid: BADSIG 40976EAF437D05B5 Ubuntu Archive Automatic Signing Key <ftpmaster@ubuntu.com> W: GPG error: http://us.archive.ubuntu.com precise-backports Release: The following signatures were invalid: BADSIG 40976EAF437D05B5 Ubuntu Archive Automatic Signing Key <ftpmaster@ubuntu.com> W: A error occurred during the signature verification. The repository is not updated and the previous index files will be used. GPG error: http://extras.ubuntu.com precise Release: The following signatures were invalid: BADSIG 16126D3A3E5C1192 Ubuntu Extras Archive Automatic Signing Key <ftpmaster@ubuntu.com> W: GPG error: http://dl.google.com stable Release: The following signatures were invalid: BADSIG A040830F7FAC5991 Google, Inc. Linux Package Signing Key <linux-packages-keymaster@google.com> W: Failed to fetch http://extras.ubuntu.com/ubuntu/dists/precise/Release W: Some index files failed to download. They have been ignored, or old ones used instead. Reading package lists... Done Building dependency tree Reading state information... Done heroku-toolbelt is already the newest version.
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3 answers

Below this error is fixed:

 sudo apt-get clean cd /var/lib/apt sudo mv lists lists.old sudo mkdir -p lists/partial sudo apt-get clean sudo apt-get update
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You can try the following:

sudo rm / var / lib / apt / lists / * -vf

Sudo apt-get update

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It worked for me

 sudo rm -r /var/lib/apt/lists sudo mkdir -p /var/lib/apt/lists/partial sudo aptitude update
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