I try develop msn alerts, The development procedure should work with messenger and ppe (preproduction enviorment) subscribers. i registered a new ppe subscriber, but i cant login with is to the messenger, i tried working with the sdk messenger (6.1) but it always tries to download the new messenger (6.2), that wont work in the prep enviorment. i am working with windows 2000. does any one knows how to to it. please help me.