Comment 4 for bug 636797

@Ken
After step 1, my ndiswrapper.ko was at:
 /var/lib/dkms/ndiswrapper/1.56/2.6.32-5-686/i686/module/ndiswrapper.ko
the 2.6.32-5-686 part may vary depending on your kernel.

By the way, after that you have to repeat the installing process (using ndisgtk if you want)