If you are seeing the “Class not registered classs id error” when you try and install Fix 2 finger scroll, here is a fix for you.  Just run the modded Synpatics driver patch first but make sure you uninstall the previous Synaptics version, then after running the below modded Synaptics driver you can finally run the Fix 2 Finger scroll, and this time you should not see an error. patch modded synaptics driver http://depositfiles.com/files/mudblvdbs