i dl-ed the standalone installer like 1 mth ago
until now still cannot install 
always refer mi to microsoft.com/blablabla/linkid=101139
check if your laptop/pc has incompatible drivers
Method for Cause
5
To help ensure a positive update experience, Windows Update will
temporarily not offer Windows Vista SP1 to systems that have the
following device drivers installed. In some cases, these device
drivers are problematic on Windows Vista-based computers when you
update to Windows Vista SP1. By installing updated device drivers,
you will resolve the issue and enable Windows Update to offer
Windows Vista SP1.
Audio drivers
Realtek AC'97 • For x86-based computers: Alcxwdm.sys - version
6.0.1.6242 or earlier • For x64-based computers: Alcwdm64.sys -
version 6.0.1.6242 or earlier SigmaTel • For x86-based computers:
Sthda.sys - version 5.10.5762.0 or earlier • For x64-based
computers: Sthda64.sys - version 5.10.5762.0 or earlier SigmaTel •
For x86-based computers: Stwrt.sys - version 6.10.5511.0 or earlier
• For x64-based computers: Stwrt64.sys - version 6.10.5511.0 or
earlier Creative Audigy • For x86-based and x64-based computers:
Ctaud2k.sys - version 6.0.1.1242 or earlier • For x86-based and
x64-based computers: P17.sys – version 5.12.1.2004 or earlier
Conexant HD Audio • For x86-based computers: Chdart.sys - version
4.32.0.0 or earlier • For x64-based computers: Chdart64.sys -
version 4.32.0.0 or earlier Biometric (Fingerprint)
Sensors • AuthenTec Fingerprint Sensor with the
Atswpdrv.sys driver file – version 7.7.1.7 or earlier • UPEK
Fingerprint Sensor with the Tcusb.sys driver file – version
1.9.2.99 or earlier Display drivers
Intel Display • For x86-based computers: Igdkmd32.sys – versions
between and including driver 7.14.10.1322 and 7.14.10.1403 • For
x64-based computers: Igdkmd64.sys – versions between and including
driver 7.14.10.1322 and 7.14.10.1403 Other
drivers
Texas Instruments Smart Card Controller with the GTIPCI21.sys
driver file – version 1.0.1.19 or earlier
Sierra Wireless AirCard 580 with the Watcher.exe application –
version 3.4.0.9 or earlier (This application is located in the
AirCard 580 Program Files folder.) A solution for this is now
available from Sierra Wireless. For more information, visit the
following Sierra wireless Web site:
Symantec software driver for Symantec Endpoint Protection and
for Symantec Network Access Control clients • For x86-based
computers: Wgx.sys – versions 11.0.1000.1091 or earlier • For
x64-based computers: Wgx64.sys – versions 11.0.1000.1091 or earlier
Note Symantec is aware of this issue and has a
solution. For more information, visit the Symantec web site:
Additional Windows Vista SP1 driver information for the
Fujitsu-Siemens Amilo LA Notebook (Laptop)
Additionally, Windows update will not offer Windows Vista SP1 to
Fujitsu-Siemens Amilo LA 1703 Notebooks that have a BIOS release
date of March 14, 2008 or earlier. This corresponds to Bios
Revision numbers 8.6T1-0023-M007 or earlier. This block reflects an
incorrect power management setting that will be resolved in an
updated BIOS revision. For more information, visit the following
Fujitsu-Siemens support site:
Select Notebooks and AMILO La 1703. An updated BIOS (8.6 or a
later version) will be posted soon.
If the resolution for the driver blocking issue is not listed
above, you may be able to resolve it using one of the methods
below:
mostly the cost