Windows Vista Service Pack 1 RC includes all previously released updates for the operating system. This update also includes a small number of new functionalities, which do not significantly change customers’ experience with the operating system.
Windows Vista Service Pack 1 (SP1) RC should be used to update a PC running Windows Vista RTM to Windows Vista SP1. This standalone package will install SP1 as well as any applicable pre-requisite packages.
Uninstall Instructions for Windows Vista SP1 RC:
Windows Vista SP1 RC does not support build-to-build upgrades. If you install this build to your system, you need to uninstall it before moving to the final Vista SP1 RTM version.
Prerequisite packages (KB935509, KB937287 and KB938371) for Window Vista SP1 are permanent and unistall of these packages is disabled by design. During the installation of Windows Vista SP1 RC, the installer determines whether or not you need the prerequisite packages and updates your system automatically.
To uninstall Windows Vista SP1 RC use the follwing steps:
1. Click on the Start Menu and go to Control Panel
2. Double click on Programs and Features
3. On the left side menu, select View Installed Updates
4. Under the list of Microsoft Windows, select Service Pack for Windows (KB936330)
5. On the top minu, click on Uninstall
Download: Windows Vista SP1 RC x86 [548 MB]
Download: Windows Vista SP1 RC x64 [878 MB]

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