Windows Vista Service Pack 1 
Today, Microsoft finally released the long-awaited first service pack for their newest consumer OS, Windows Vista. Being a Vista user for nearly a year and a half, I was eager to give it a whirl. After checking Windows Update nearly every hour today, I've come to the conclusion that my Conexant High Definition Audio drivers on my laptop are the cause of me not getting the update. Why?

When I checked Paul Thurrott's WinSupersite, I discovered that five audio drivers were causing issues with SP1, and at the end of the list was my driver.


What went wrong?

You may be curious about which device drivers were causing issues with SP1. (I certainly was.) The list includes certain versions of five audio drivers (RealTek AC'97, two versions of SigmaTel, Creative Audigy, and Conexant HD Audio), two biometric fingerprint sensors (AuthenTec and UPEK), Intel Display, a Texas Instruments Smart Card Controller, the Sierra Wireless AirCard 580 with the Watcher.exe application, and the Symantec software driver for the Symantec Endpoint Protection and Symantec Network Access Control clients. The complete list is available on the Microsoft Knowledge Base.


So like Microsoft tells me, I check "Chdart64.sys" and I see version 4.15.0.0, which is well below what is listed in the Microsoft KB article. So I head back to Windows Update, and I find an updated driver for the Conexant High Definition sound driver. I install the new driver, reboot, and check the Device Manager, and the driver version is 4.33.1.60, so I figure I'm clear to install SP1...

I once again head back to Windows Update, and check for updates. No SP1. WTF? I check "Chdart64.sys" again. What do I see? Version 4.15.0.0.

If I updated the driver via Windows Update, and the Device Manager lists the newer version, shouldn't the SYS file get updated as well?

So no SP1 for me for now. I hope the update process on my desktop will be much smoother.

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