totem player/kaffeine player unable to play a single video after installing proper codec for them---no sound in portable ubuntu

[ncdas]

firefox is using very old version 3.0.1.no update is possible.
i have downloaded some videos in .flv format --when i use to play them in default totem player some 59 mb codecs are downloaded and installed-----but sorry no play back is possible. then i installed kaffeine player----
installed some codecs downloaded by the player itself but no sccess in playing videos.
in fire fox utube video are not playing---moreover no sound atall.

ProblemType: Bug
Architecture: i386
Date: Wed Jul 4 15:34:28 2012
DistroRelease: Ubuntu 8.04
ExecutablePath: /usr/bin/yelp
Package: yelp 2.22.1-0ubuntu2.8.04.3
PackageArchitecture: i386
ProcEnviron:
 PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/games
 LANG=en_US.UTF-8
 SHELL=/bin/bash
SourcePackage: yelp
Uname: Linux 2.6.22.18-co-0.7.3 i686

[Fabio Marconi (fabiomarconi)]

Thank you for taking the time to report this issue and helping to make Ubuntu better. Examining the information you have given us, this does not appear to be a bug report so we are closing it and converting it to a question in the support tracker. We understand the difficulties you are facing, but it is better to raise problems you are having in the support tracker at https://answers.launchpad.net/ubuntu if you are uncertain if they are bugs. You can also find help posting your problem in the support forum of your local Ubuntu's community http://loco.ubuntu.com/ or asking at http://askubuntu.com. For help on reporting bugs, see https://help.ubuntu.com/community/ReportingBugs.