NetworkManager crashed with SIGSEGV in strlen()

[tankdriver]

Binary package hint: network-manager

After removing Trendnet USB Wireless Dongle: networkmanager crashed
lsusb:
Bus 001 Device 008: ID 0bda:8189 Realtek Semiconductor Corp. RTL8187B Wireless 802.11g 54Mbps Network Adapter

ProblemType: Crash
Architecture: amd64
DistroRelease: Ubuntu 8.10
ExecutablePath: /usr/sbin/NetworkManager
Gconf:

IfupdownConfig:
 auto lo
 iface lo inet loopback
NonfreeKernelModules: nvidia
Package: network-manager 0.7~~svn20081018t105859-0ubuntu1
ProcAttrCurrent: unconfined
ProcCmdline: /usr/sbin/NetworkManager
ProcEnviron: PATH=/usr/local/sbin:/usr/local/bin:/sbin:/bin:/usr/sbin:/usr/bin
Signal: 11
SourcePackage: network-manager
StacktraceTop:
 strlen () from /lib/libc.so.6
 ?? () from /lib/libdbus-1.so.3
 ?? () from /lib/libdbus-1.so.3
 dbus_message_iter_append_basic ()
 ?? () from /usr/lib/libdbus-glib-1.so.2
Title: NetworkManager crashed with SIGSEGV in strlen()
Uname: Linux 2.6.27-7-generic x86_64
UserGroups:

WpaSupplicantLog: Failed to disable WPA in the driver.