I get the same errors. I am using my Dell laptop. it has the wireless card, drivers, etc installed internally, that is how i am able to access the internet right now.....I abandoned trying to use bt4...

Dusty,
I have the Dell Wireless 1395 Wlan Mini-Card....1394 Net Adapter.....Broadcom NetXtreme 57xx Gigabit Controller...But for some reason airmon-ng in backtrack 4 does not detect the device....I...

Hey,
I did this, and put backtrack 4 final on an 8gb flas drive, and gave it 4gb persistence....when I run it on the linux live oracle virtual box, it works...but the isntall.sh is still on the BT...