I'm sorry to hear about the issue you are having. I have uploaded the missing configuration file to:
Please uninstall UE 3.0.6 and install UE 3.0.7 and look in the specified location to see if the file exists and if it does not please extract the zip to the same location. Delete the winfilecache and start DW.
Let me know once you download the file so i can remove it from the server.