Guys i have successfully cracked the wep key of my AP using this :

airmon-ng start wlan0
airodump-ng mon0
ctrl+c
airodump-ng -c 'AP Channel' -w 'filename' --bssid 'AP bssid' mon0
make a file...

I forgot to say that i get always "unknown chipset" after airmon-ng,so if i try the BT4 pre-final ,will it identify correctly? i will try it anyway .

Bingo,it was the old version of aircrack....

No luck yet,it is definitely the configuration (kernel,drivers,patches...).
Too many posts on iwlagn and iwlwifi with different versions each working with a specific Kernel .
There must be a way...

Dear MixIt,i have read what you posted and applied it to the last detail, all went fine until the injection,it read 20thousand packets but with "0 ARP".
I sent the DeAuth signal but with no...

Guys this Intel(R) Wireless WiFi Link 4965AGN on my laptop is frustrating me,some people say they have patched it and are able to crack Wep keys through Backtrack 4.
The problem is that i can not...