[Bug 869685] Re: Always fails to install 3rd party debs

[ruario]

Try this:

ar t /home/rogerb/Downloads/google-musicmanager-beta_current_amd64.deb

Is the data.tar inside lzma compressed? If yes then this is a dupe of
868188.

You can work around it in one of three ways

1. Installing with dpkg 
2. Installing either the lzma or xz-lzma packages as they provide /usr/bin/lmza
3. setting up your own symlink such that /usr/bin/lmza points to /usr/bin/xz

Remember to mark this as a duplicate if it is your issue.

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https://bugs.launchpad.net/bugs/869685

Title:
  Always fails to install 3rd party debs

Status in “software-center” package in Ubuntu:
  Confirmed

Bug description:
  After a fresh reinstall of my system I downloaded various .deb files
  from places that don't have a repository.  Examples are Chrome, Skype
  and the Google Music Manager.  The browser brings up software centre
  but always fails to install the file.

  A most recent example is trying to install the Google Music Manager.
  Software Centre says:

  Internal Error

  The file "/home/rogerb/Downloads/google-musicmanager-
  beta_current_amd64.deb" could not be opened.

  However I just go to the command line and use dpkg -i on the same
  filename and it installs just fine.

  ProblemType: Bug
  DistroRelease: Ubuntu 11.10
  Package: software-center 5.0.1.3
  ProcVersionSignature: Ubuntu 3.0.0-12.19-generic 3.0.4
  Uname: Linux 3.0.0-12-generic x86_64
  NonfreeKernelModules: nvidia
  ApportVersion: 1.23-0ubuntu2
  Architecture: amd64
  Date: Thu Oct  6 21:41:21 2011
  PackageArchitecture: all
  SourcePackage: software-center
  UpgradeStatus: No upgrade log present (probably fresh install)

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