For this release, Windows Vista build 6000 is now supported: both 32-bit and 64-bit architecture. RC1 and RC2 (builds 5600 and 5744, respectively) are NOT SUPPORTED and will cause several issues with installation. Please do not install Norton 360 on these unsupported builds.
Also, there are a few issues that we have already identified in this release. Please do not report these issues, as our team is still working to resolve them. Please see this link for these issues.
Tools and Utilities
public beta build 142
Product page: here