Sony PCG-GRS100 - Manual (Page 199)

Troubleshooting Programs
199
You can also download the RealJukebox CD-burning component to create CDs,
but it may interfere with your computer’s normal system operations.
Why can’t I use the DVgate program?
If your computer is using the Ultimate Battery Life profile as a power saving
mode, you cannot use DVgate™ or Smart Connect software. Please select
another profile. Preferably, connect your computer to AC power when using
these features.