From: hmi on
all the other updates (XP, IE etc.) have been successful.
Requested System Data:
OP System: Windows XP Home Ed.
Version: 5.1.2600 Service Pack 3, v.5857 Build 2600
Update: Windows Update (manual)
Last successful: today
Not updated: with error code -643: all Office 2003, Outlook, Word, Excel
KB974554,972580,973705,974771,973475,973443,976885,978551
with error code -664: KB975051 (Office 2003)

Anti-Virus: Avira Antivir Personal Free Antivirus 9.0.0.418
Update level 21.12.09
Firewall: Windows XP Standard
Antispy: Spybot Search+Destroy plus Teatimer
Office: 2003 PRO update level 4 weeks ago
IE: 8.0.6001.18702
CPU: INTEL Prozessor x86 Family 15 Model 2 Stepping 4
Genuine Intel Pentium 4~1992 Mhz
RAM: DIMM1: MDT Tech. MDT 1GB PC400 CL2.
DIMM2: Siemens SDU3264C2B12MTS-75
256 MB PC3200 DDR SDRAM (2.5-3-3-8(a)200MHz)
(2.0-3-3-7 @ 166 MHz)
Space on C:\ 13 GB free (from 50,0)

I´d appreciate if anybody could give a working solution
Thanks