wy_genius

I just reinstalled my xp and patched it to sp1. When i click on Windows Update from start menu, it redirect my to the v5 page, and after it scans my computer, i found that many of the updates such as directX 9 and windows media player 9 are not showed up in windows update v5. What happened? Another problem is a automatic update icon appears in my system tray, but it is downloading nothing and always says 'downloading udpates: 0%"... Could anyone plz help me out?