from The Hotfix:

KB941649: Compatibility, Reliability

This update improves the compatibility, reliability, and stability of Windows Vista. This update includes the following improvements:

•	It extends the battery life for mobile devices.
•	It improves the stability of portable computers and of desktop computers that use an uninterruptable power supply (UPS).
•	It improves the reliability of Windows Vista when you open the menu of a startup application.
•	It improves the stability of Internet Explorer when you open a Web page.
•	It improves the stability of wireless network services.
•	It shortens the startup time of Windows Vista by using a better timing structure.
•	It shortens the recovery time after Windows Vista experiences a period of inactivity.
•	It shortens the recovery time when you try to exit the Photos screen saver.
•	It improves the stability of Windows PowerShell.

KB941600: USB rollup

Issues that are fixed in the update rollup
925528 Stop errors occur on a Windows-based computer that has 2GB or more of RAM and is using an NVIDIA nForce USB controller
929734 You may experience problems after you resume a Windows Vista-based computer from sleep or from hibernation
930568 Error message when you try to put a Windows Vista-based computer to sleep or into hibernation: "STOP 0x000000FE BUGCODE_USB_DRIVER"
929478 After you use the Safely Remove Hardware option to remove a built-in optical drive from a portable Windows Vista-based computer, you may be unable to reconnect the drive
930570 Error message in the Usbhub.sys process when you wake a Windows Vista-based computer from sleep or from hibernation: "STOP 0x00000044"
928631 A USB device may no longer work correctly after Windows Vista resumes from sleep or from hibernation
933433 Recording quality is poor when you use a USB microphone on a Windows Vista-based computer that has 4 GB of RAM or more
933442 A USB composite device does not work after you disable and then enable the device in Device Manager on a computer that is running Windows Vista
934633 When you connect a USB multifunction printer device to a Windows Vista-based computer, a second instance of the printer object is created, and the first instance no longer works
934796 Error message on a Windows Vista-based computer that is running a USB composite device: "STOP 0x000000FE"
933824 The Safely Remove Hardware feature and the Windows Explorer "Eject" command do not work correctly with an Apple iPod that is connected to a Windows Vista-based computer
935782 A USB device takes a long time to resume from "selective suspend" mode on a Windows Vista-based computer that uses UHCI USB controllers
935783 When you resume a Windows Vista-based computer from sleep, you may experience unexpected behavior from a USB device

The following issues were not previously documented in a Microsoft Knowledge Base article:
•    When the computer resumes from a suspend state or from a hibernation state, the computer stops responding. Additionally, you receive a "0x9F" stop message on a blue screen.
•    The computer takes a long time to resume from a suspend state or from a hibernation state.
•    The computer takes a long time to resume from a suspend state or from a hibernation state when you use a VIA controller.
•    The computer stops responding when you use an AuthenTec USB fingerprint reader. Additionally, you receive a "0xFE" Stop error on a blue screen or a "0x9F" Stop error on a blue screen.
•    The computer stops responding when you use a USB Bluetooth audio device.
•    The computer takes a long time to resume from a suspend state or from a hibernation state when you use an Enhanced Host Controller Interface (EHCI) controller.
•    The computer stops responding when you remove a USB device. Additionally, you receive a "0xFE" Stop error on a blue screen.
•    When a computer resumes from a suspend state or from a hibernation state multiple times, you receive a "0xFE" Stop error on a blue screen.

KB941229: MCE cumulative

Issues that are resolved by this update:

In addition to the fixes that are contained in the updates that are listed in the "Hotfix replacement information" section, the October 2007 Cumulative Update for Media Center for Windows Vista resolves the following issues:

•	Several issues that are related to the Media Center Extensibility Platform
•	An issue that affects digital cable card components when you use Scientific Atlanta cable cards
•	Interaction issues that occur between Media Center PC and Microsoft Xbox 360 when Xbox 360 is used as a Media Center Extender.
•	Autolaunch issues that occur with video CD (VCD) media

KB941651: WMP11 Reliability

This is a reliability update. Install this update to improve the reliability of Windows Media Player 11 for Windows Vista in certain scenarios. After you install this item, you may have to restart your computer.