My package manager broke when I installed Heroku

Question

``` sudo apt-get install 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 troubleshoot this? Update: I tried to reinstall and got the output below. It seems like it installed, but I get `command not found: heroku` when I try `heroku` from the command line. The install command hung up for a long time on `[Waiting for Headers]`. What's 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 W: GPG error: http://us.archive.ubuntu.com precise-backports Release: The following signatures were invalid: BADSIG 40976EAF437D05B5 Ubuntu Archive Automatic Signing Key W: A error occurred du…

Accepted Answer

The following will fix this error:

```
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
```

My package manager broke when I installed Heroku

Solution

Problem