Backwards Works-for-me-Wednesday


Today is backwards day for Work-for-me-Wednesday. That means that we get to ask questions instead of telling solutions.
My question is: How do you permanently get rid of mold that grows on wooden window frames? In the winter time the window frames get wet and then mold grows. I wash them off regularly but it comes back very quickly. I tried washing with bleach and then with rubbing alcohol but no success. Do you have any solutions?
For more questions (and hopefully answers in the comments) go to Works-for-me-Wednesday.