Downloads that won't download

I've been trying, without luck to download and install
the following 12 critical XP updates .. keep getting the
unsuccessful message. Any ideas most welcomed! Laurie
These are the 12 files:

821557: Security Update (Windows XP)
816093: Security Update Microsoft Virtual Machine
(Microsoft VM)
Q329441: Critical Update
328310: Security Update
810577: Security Update
823559: Security Update for Microsoft Windows
817606: Security Update (Windows XP)
817787: Security Update Windows Media Player for XP
814078: Security Update (Microsoft Jscript version 5.6,
Windows 2000, Windows XP)
Q323255: Security Update (Windows XP)
811630: Critical Update (Windows XP)
331953: Security Update (Windows XP)