1) Use MSCONFIG (Start->Run and type msconfig). See if this shows up in the list of startup programs - if it does, uncheck it and see if the error goes away.
2) Using Hijackthis! see if the DLL in question shows up in the hijackthis scan. If it does, check the box and fix it.
3) Search the registry for the wftadfi16_080909 and see if you can find a reference to it in one of the RUN keys.
Bob.