Sony PCV-RX460 Home Networking Solutions User Manual page 67

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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
Support Central has a tracking feature that stores the issues you are currently
working on.
Using Support Central
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