@HephaestusΔεν έχω ξεχάσει τίποτα από τις πηγές
αυτά είναι τα repositories μου πάντως και έχω ubuntu 64 bit
- Κώδικας: Επιλογή όλων
deb-src http://archive.ubuntu.com/ubuntu/ karmic main restricted #Added by software-properties
# See http://help.ubuntu.com/community/UpgradeNotes for how to upgrade to
# newer versions of the distribution.
deb http://archive.ubuntu.com/ubuntu/ karmic main restricted multiverse
deb-src http://archive.ubuntu.com/ubuntu/ karmic universe #Added by software-properties
## Major bug fix updates produced after the final release of the
## distribution.
deb http://archive.ubuntu.com/ubuntu/ karmic-updates main restricted multiverse
deb-src http://archive.ubuntu.com/ubuntu/ karmic-updates restricted main universe #Added by software-properties
## N.B. software from this repository is ENTIRELY UNSUPPORTED by the Ubuntu
## team. Also, please note that software in universe WILL NOT receive any
## review or updates from the Ubuntu security team.
deb http://archive.ubuntu.com/ubuntu/ karmic universe
deb http://archive.ubuntu.com/ubuntu/ karmic-updates universe
## N.B. software from this repository is ENTIRELY UNSUPPORTED by the Ubuntu
## team, and may not be under a free licence. Please satisfy yourself as to
## your rights to use the software. Also, please note that software in
## multiverse WILL NOT receive any review or updates from the Ubuntu
## security team.
## Uncomment the following two lines to add software from the 'backports'
## repository.
## N.B. software from this repository may not have been tested as
## extensively as that contained in the main release, although it includes
## newer versions of some applications which may provide useful features.
## Also, please note that software in backports WILL NOT receive any review
## or updates from the Ubuntu security team.
deb http://archive.ubuntu.com/ubuntu/ karmic-backports main restricted universe multiverse
deb-src http://archive.ubuntu.com/ubuntu/ karmic-backports main restricted universe
## Uncomment the following two lines to add software from Canonical's
## 'partner' repository. This software is not part of Ubuntu, but is
## offered by Canonical and the respective vendors as a service to Ubuntu
## users.
deb http://archive.canonical.com/ubuntu karmic partner
deb-src http://archive.canonical.com/ubuntu karmic partner
deb http://archive.ubuntu.com/ubuntu/ karmic-security main restricted multiverse
deb-src http://archive.ubuntu.com/ubuntu/ karmic-security restricted main universe #Added by software-properties
deb http://archive.ubuntu.com/ubuntu/ karmic-security universe
#vlc
deb http://archive.ubuntu.com/ubuntu/ karmic-proposed restricted main universe multiverse
#medibuntu/
## Please report any bug on https://bugs.launchpad.net/medibuntu/
deb http://packages.medibuntu.org/ karmic free non-free
#Virtualbox
deb http://download.virtualbox.org/virtualbox/debian karmic non-free
#VLC
deb http://ppa.launchpad.net/c-korn/vlc/ubuntu karmic main
deb-src http://ppa.launchpad.net/c-korn/vlc/ubuntu karmic main
πάντως στο ubuntu software center για το adobe flash plugin λεει ''Not available for your hardware architecture'

...

λες να φταίει το upgrade σε 9.10
@MitsosTheGreat 
Περίεργο Τι λειτουργικό έχεις 64 bit ή 32
κάνε
- Κώδικας: Επιλογή όλων
uname -m
για να δείς
Επίσης έχεις τίποτα περίσσια addons στον firefox?
Καλύτερα δοκίμασε να φτιάξεις ένα νέο profile στον firefox (θα έιναι καθαρός από addons έτσι και από ρυθμίσεις τις τυπικές)
κάνε
- Κώδικας: Επιλογή όλων
firefox -ProfileManager
και φτιάξε ένα νέο και δοκίμασε πως πάει το flash
ίσως να φταίει και κάποιο addon δηλαδή
και βλέπουμε