Hotfixes

A high definition audio device may no longer work after you resume Windows Vista from sleep or from hibernation and then restart the computer
http://support.microsoft.com/kb/929685
In Windows Vista, you cannot access any resources on a remote VPN server after you switch a network connection from one network adapter to another network adapter and then dial a VPN connection
http://support.microsoft.com/kb/930163
You receive a Stop 0x9F error when you wake a Windows Vista-based computer that is connected to an IEEE 1394-based device
http://support.microsoft.com/kb/929762
When you run Wusa.exe together with the /quiet option to try to install certain software packages on a Windows Vista-based computer, the installation fails
http://support.microsoft.com/kb/929761
You may not receive audio in the desired language when you use Windows Media Center to view television in Windows Vista
http://support.microsoft.com/kb/929615

Updates

Microsoft Windows Mobile Device Center Driver for Windows Vista (x86)
http://www.microsoft.com/downloads/details.aspx?FamilyID=83d513ea-9df9-4920-af33-3a0e2e4e7beb&DisplayLang=en
Microsoft Windows Mobile Device Center Driver for Windows Vista (AMD64)
http://www.microsoft.com/downloads/details.aspx?FamilyID=6eb8d0aa-bc6b-4864-8ffe-dc26e1d9f843&DisplayLang=en