Free Tools has not been updated yet.
uninstall the extensions from the extension manager, then install only the updated ones:
Data Bridge 1.2.1
Design Extender 1.2.0
after installing in the extension manager, when you open DW, it should it should launch the webAssist installer to complete the installation. if that does not start automatically, open a php page to force it to start. after the webAssist installer completes, make sure to restart DW.
WE will be releasing an update to Free Tools soon.