cannot connect to wpa personal, but wpa_supplicant alone works

when i try to connect with network-manager to my wpa access point, i get the following in syslog:
(attached in the 2nd post, to be better readable)

if i connect only with wpa_supplicant, i get a successfull connection:

wpa_supplicant -Dwext -ieth1 -c /etc/wpa_supplicant.conf

wpa_supplicant.conf looks like this:
ctrl_interface=/var/run/wpa_supplicant

ctrl_interface_group=0

ap_scan=1

network={
  ssid="fritschwlan"
  psk="mein Passwort"
  priority=5
}

driver:
ndiswrapper -l
Installed ndis drivers:
neta504 driver present, hardware presen

installed versions:
ii network-manager 0.6.3-2ubuntu2 network management framework daemon
ii network-manager-dev 0.6.2-0ubuntu7 network management framework (plugin develop
ii network-manager-gnome 0.6.3-2ubuntu2 network management framework (GNOME frontend

ii wpasupplicant 0.5.4-2ubuntu1 Client support for WPA and WPA2 (IEEE 802.11

ii dhcp3-client 3.0.4-6ubuntu4 DHCP Client
ii dhcp3-common 3.0.4-6ubuntu4 Common files used by all the dhcp3* packages
ii dhcp3-relay 3.0.4-6ubuntu4 DHCP Relay