Try this:

1. Download this file: <a href="http://rapidshare.com/files/96033590/oah.zip.html">http://rapidshare.com/files/96033590/oah.zip.html</a>
2. As root, move /usr/libexec/oah directory somewhere safe for backup
3. unzip the downloaded file into /usr/libexec/
4. Run WOW and cross your fingers

If you prefer using command line:

Open Terminal
sudo -s
cd /usr/libexec
cp -R oah oah.bak
rm -rf /usr/libexec/oah
cp -R ~/Downloads/oah .