If you haven't already, see if this helps -
If that doesn't help, try the WMP troubleshooters ( probably the settings one ), and if still no joy try uninstalling WMP, restart, re-install WMP, restart as per the guide below.
WMP Troubleshooter -
Re-install guide -
Did this solve your problem?
Sorry this didn't help.
Great! Thanks for marking this as the answer.
How satisfied are you with this reply?
Thanks for your feedback, it helps us improve the site.
How satisfied are you with this response?
Thanks for your feedback.