i downloaded WMP9series on my bone stock e-tower 633id and now it will not play music cds,says i need to switch from digital to analog but there is no where to do this.os system is windows me.

i downloaded WMP9series on my bone stock e-tower 633id and now it will not play music cds,says i need to switch from digital to analog but there is no where to do this.os system is windows me.
You should have set a restore point before downloading WMP9 infact it tells you todo that,it never worked well for me when i was running WME
WMP7.1 in my view is better if you want toget rid of WM9 you will have
to reformat and do a OS install if you haven't got a restore point.