Unbenannt

/etc/init.d/wlan0 start
gives me this:

 * Starting wlan0
 *   Configuring wireless network for wlan0
 *     wlan0 connected to ESSID "FRANKEL" at 00:14:78:EC:9C:C8
 *     in managed mode on channel 11 (WEP enabled)
 *   Bringing up wlan0
 *     dhcp
 *       Running dhcpcd ...
Error, wlan0: timed out                                                   [ ok ]
 *       wlan0 received address 169.254.45.127/16

dmesg has this:
wlan0: RX WEP frame, decrypt failed
WEP decrypt failed (ICV)

i'm trying to use an Intel PRO/Wireless card