MultiBit Classic... or MultiBit HD?
I assume by your use of "wallet words" that you are using MultiBit HD? Where did you get this update? As the software hasn't been updated in a very long time... and has in fact been discontinued by the developer:
https://www.multibit.org/It's been over a year since I last logged in. I know that the Icon was white now it's green.
I'm using MultiBit HD