Everytime I try to open up microsoft word I keep geting the folowing message appear compile error in hidden module tfwconstantsandglobals

I keep trying to sort it but I cant work it out. I have searched google and I have tried to repair it but it still happens. PLZ PLZ PLZ HElp me ASAP

Would this be of any help :

http://word.mvps.org/FAQS/AppErrors/ProbsOpeningWord.htm