In Synaptic Package Manger I get this error: E: libavformat52: subprocess installed post-installation script returned error exit status 2 E: gstreamer0.10-ffmpeg: dependency problems - leaving unconfigured

In terminal I get this error: Errors were encountered while processing: libavformat52 gstreamer0.10-ffmpeg

My Firefox runs horrible and I think the above could be related. Firefox is slow and freezes so much it's virtually impossible to use. What I would like to do is remove every component of it, and all these codecs and start fresh, but I don't know how. I really don't know much about terminal, so please consider that when giving advice. I have a few add-ons in Firefox like Session Manger, IM Translator, and Scrapebook, (although it is uninstalled now)

I thought maybe an upgrade would help so yesterday I went from 9.0.4 Ubuntu to 10.04...I did a clean install from a CD and reformatted my root folder. I did try Ubuntu9.10 some months ago, but had tons of trouble with the graphics card resolution.

My computer is a desktop Acer AMD Athlon(tm) 64 X2 Dual Core Processor 3800+, GeForce 6100 nForce 405, MCP61 High Definition Audio, 1G Memory DDR2

asked 03 May '10, 20:24

Brucetim's gravatar image

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edited 04 May '10, 18:15

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Please accept an answer so the question/answer can be finished. Or provide more details so we can help.

(20 Apr '11, 13:59) rfelsburg ♦

Not totally sure what your problem is. Just try this:

sudo apt-get install gstreamer0.10 gstreamer0.10-bad gstreamer0.10-ugly gstreamer0.10-good  gstreamer0.10-base gstreamer0.10-ffmpeg

That should reinstall all your codecs and whatnot.

Sorry if this doesn't help


answered 04 May '10, 03:23

Jub's gravatar image

accept rate: 14%

Thanks for the advice. I tried but I got this error, "Couldn't find package gstreamer0.10"

(04 May '10, 10:31) Brucetim

Hi from Zürich, switzerland.

I got the same error message ( Sony Vaio VGN-FS115B with Ubuntu 10.04 )

ERROR MESSAGE :- Paket gstreamer0.10 konnte nicht gefunden werden.....( Couldn`t find package gstreamer0.10)


answered 04 May '10, 10:44

dhanhurley's gravatar image

accept rate: 0%

get hint from and go to and search for info on what you want to know about how to do the desired task (e.g. enable the medibuntu repositories in the /etc/apt/sources.list file)

use with care: apt-get purge (pkg name) in terminal to get rid of undesired pkg completely

use apt-get build-dep (pkg name) to build dependencies around a desired pkg

before using apt-get install -f (pkg name) to install the desired pkg

Use apt-get update after the purge and before the build-dep commands


answered 08 May '10, 06:43

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Asked: 03 May '10, 20:24

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Last updated: 20 Apr '11, 13:59

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