Windows Vista Service Pack1 Issues/Updates 2

Approximately 1 million attempts at downloading SP1 with 60% of the time were unsuccessful.
Windows Vista Service Pack 1 is not available for installation from Windows Update and is not offered by Automatic Updates
http://support.microsoft.com/kb/937286/
Windows Vista Service Pack 1 stand-alone packages do not contain the updated Windows Vista Service Pack 1 Help files
http://support.microsoft.com/kb/937286/

How to install Windows Vista Service Pack 1 when the Windows Vista activation period has expired

http://support.microsoft.com/kb/947874/
Stop error message when you start a Windows Vista-based computer: "0xC1F5"
http://support.microsoft.com/kb/946084/
Error message when you try to install Windows Vista Service Pack 1: "Installation was not successful" or "An internal error occurred while installing the service pack"
http://support.microsoft.com/kb/947366

Error message when you use the Windows Vista SP1 Files Removal tool (Vsp1cln.exe) together with the "/?" or "/h" command-line option: "The parameter is incorrect"

http://support.microsoft.com/kb/949472/
A Bluetooth device no longer works on a Windows Vista-based computer after you resume the computer from standby (S3) or from hibernation (S4)
http://support.microsoft.com/kb/948643/