Look at this thread by Nick_the_Greek , download & look at his script.

http://www.backtrack-linux.org/forums/old-wireless/23068-how-e-z-setup-multi-mode-wlan-based-fake-ap.html

Also some...

root@bt:~# hydra
Hydra v5.4 [http://www.thc.org] (c) 2006 by van Hauser / THC <vh@thc.org>

Syntax: hydra [[[-l LOGIN|-L FILE] [-p PASS|-P FILE]] | [-C FILE]] [-e ns]
[-o FILE] [-t TASKS] [-M...

Looks like your Eth0 is :
Marvell 88E80XX 10/100 Ethernet Controller DELL Inspiron 1545
Which is the same as my pc (working)

Did you try

ifconfig eth0 up
dhclient eth0

in a shell ?

Hi Nick , thanks for the script , I gave it a quick try with the modes 1 & 3 & madwifi on an Atheros card ,working well for me , though sslstrip mangled the Gmail login page a little on my victim...

Disable floppy disk device in the bios

BackTrack 4 General Support Please, SEARCH THE FORUM and GOOGLE before posting questions.

Try

ls -l /var/cache/apt/archives/

2.6.30.7 ?

Your card is not supported , WUSB54GC is supported , WUSB54GSC is not

http://aircrack-ng.org/doku.php?id=compatibility_drivers&DokuWiki=47bb4d9%20110246de85b09e45828f80850#usb

A possible solution seems to be here

hxxps://bugs.launchpad.net/ubuntu/+source/nvidia-common/+bug/292606

1)Check if you have nvidia-common installed
1a)If yes , uninstall it - #sudo apt-get...

run-parts: /etc/kernel/postinst.d/nvidia-common exited with return code 20

Just guessing , something to do with Nvidia drivers ?
Do you have an Nvidia card or nvidia drivers already installed on...

I have the same card & mine has 2 usb connections -hence the high power of this card.
I've had mine a couple of years , did they change something since ?