I know a couple of people who only needed to do that to fix it. The only other suggestion I have is to ensure you did not install the version made for older WM5 AKUs. Newer WM5 AKUs and WM6 can use the newer version.
Check out the 1st thread over at the WMExperts forum
http://discussion.wmexperts.com/forumdisplay.php?f=172