Windows Vista SP1 - Why Isn't Windows Update Showing It To Me?

If you're waiting patiently for Windows Vista SP1 and Windows Update isn't letting you know about it, then you probably want to go and look at MSKB 948343 for a list of reasons why you're not seeing it.

In particular, check your driver versions. This is the current list of drivers known to be problematic with 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 computers: P17.sys – all versions (This was originally a Windows XP-based driver.)

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.)
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 it is working on a solution. Symantec provides various update procedures. This includes their LiveUpdate service.