[root@localhost achtung]# ndiswrapper -v
driver version is too old!
utils version: '1.9', utils version needed by driver: '0'
module details:
filename:       /lib/modules/2.6.21-1.3194.fc7/extra/ndiswrapper/ndiswrapper.ko
version:        1.43
vermagic:       2.6.21-1.3194.fc7 SMP mod_unload 686 4KSTACKS 

You may need to upgrade driver and/or utils to latest versions available at
http://ndiswrapper.sourceforge.net

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[root@localhost achtung]# ndiswrapper -l
bcmwl5 : driver installed
        device (14E4:4311) present (alternate driver: bcm43xx-mac80211)

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[root@localhost achtung]# grep ndiswrapper /var/log/messages
Jun  3 15:46:12 localhost yum : Installed: kmod-ndiswrapper.i686 1.43-1.2.6.21_1.3194.fc7
Jun  3 15:46:13 localhost yum : Installed: ndiswrapper.i386 1.43-1.lvn7
Jun  3 16:12:26 localhost kernel: ndiswrapper version 1.43 loaded (smp=yes)
Jun  3 16:12:26 localhost kernel: ndiswrapper: driver bcmwl5 (Broadcom,10/12/2006, 4.100.15.5) loaded
Jun  3 16:12:26 localhost kernel: ndiswrapper: using IRQ 19
Jun  3 16:12:27 localhost kernel: usbcore: registered new interface driver ndiswrapper
Jun  3 16:25:57 localhost kernel: ndiswrapper: device wlan0 removed
Jun  3 16:25:57 localhost kernel: usbcore: deregistering interface driver ndiswrapper