Microsoft Windows Vista

I´m getting the error: " Setup FATAL: GetClientUpdateUrl failed with error 0x8024d009" when try to update Windows Vista. I manually downloaded several windows updates and when did the update a got a different error message in the windows update log: "DtaStor FATAL: DS: 0x80248014: Failed to find requested service".I'm using Windows Vista Beta 2, build 5472 with a Dell XPS with Pentum D processor, 2 MB Ram, 160GB HD and Nvidia 6800 video card.My System never had been update since the original installation.I will appreciate any help, thanks in advance.