Windows Update Error Code 80070643

I have been trying to update these 4 updates for office 2003.Security Update for Microsoft Office 2003 (KB2509503). Security Update for Microsoft Office Excel 2003 (KB2502786).Security Update for Microsoft Office PowerPoint 2003 (KB2464588). Update for Microsoft Office Outlook 2003 Junk Email Filter (KB2522981)

Whenever I try to install any of the updates it goes through the whole process until the very end, and gives me the error code of 80070643. Does anyone have a solution for this problem, I have been searching on and off for the past couple weeks and cant find anything.