Sony PCV-RX460 - Manual (Page 67)

Using Support Central
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Support Central has a tracking feature that stores the issues you are currently
working on.
✍
Support Central retains your registration information, so you are only required to
register once. If you log on to your computer with a different user name or have
recovered your system using the System Recovery CDs, Support Central may require
you to register again.
Support Central: Registration window