I think if you have all the updates and service packs for windows all that should be current for WMP. Otherwise go to the Windows Updates site, let it scan and it will give you important update suggestions. You should have service pack 3. I would suggest downloading that if you don't have it.
"A simple man believes everything he hears; a clever man understands the need for proof." Proverbs 14:15-The New English Bible
'O the depth of God's richness and wisdom and knowledge! How unsearchable his judgements are and past tracing out his ways are!'-Romans 11:33