WMP9 keeps crashing after second open

i have been working on this computer for a while know it is a Dell Dimension 2400 and Windows media player 9 keeps crashing on the second open whe i open it the first time it works with no problem but when i reopen it i get the error this program is not responding and i have to click end now all i want to do is burn a cd and i cant even play music
any help would be greatly appreciated
thank you

James