Jason, Thanks for this workaround: I can now connect to my WEP AP. FYI: I installed Ubuntu 8.04.1 which only has the faulty software, so you can not choose the older kernel anymore to connect to a WEP AO. Quite a serious Ubuntu bug IMHO. Sander sander@fujitsu:~$ sudo apt-get install linux-backports-modules-hardy-generic [sudo] password for sander: Reading package lists... Done Building dependency tree Reading state information... Done The following extra packages will be installed: linux-backports-modules-2.6.24-19-generic The following NEW packages will be installed: linux-backports-modules-2.6.24-19-generic linux-backports-modules-hardy-generic 0 upgraded, 2 newly installed, 0 to remove and 0 not upgraded. Need to get 449kB of archives. After this operation, 1348kB of additional disk space will be used. Do you want to continue [Y/n]? Get:1 http://nl.archive.ubuntu.com hardy-updates/main linux-backports-modules-2.6.24-19-generic 2.6.24-19.17 [423kB] Get:2 http://nl.archive.ubuntu.com hardy-updates/main linux-backports-modules-hardy-generic 2.6.24.19.21 [26.5kB] Fetched 449kB in 0s (526kB/s) Selecting previously deselected package linux-backports-modules-2.6.24-19-generic. (Reading database ... 105052 files and directories currently installed.) Unpacking linux-backports-modules-2.6.24-19-generic (from .../linux-backports-modules-2.6.24-19-generic_2.6.24-19.17_i386.deb) ... Selecting previously deselected package linux-backports-modules-hardy-generic. Unpacking linux-backports-modules-hardy-generic (from .../linux-backports-modules-hardy-generic_2.6.24.19.21_i386.deb) ... Setting up linux-backports-modules-2.6.24-19-generic (2.6.24-19.17) ... update-initramfs: Generating /boot/initrd.img-2.6.24-19-generic Setting up linux-backports-modules-hardy-generic (2.6.24.19.21) ... sander@fujitsu:~$ On Mon, Jul 21, 2008 at 10:34 AM, Zeus