Sony Vaio VGF-WA1 Operating Instructions Manual page 70

Problem
You cannot fast-forward or
fast-rewind.
"This file is not a supported
format and cannot be played"
message appears in browse
mode.
"Cannot play this track"
appears in browse mode.
"There are no playable tracks"
appears in browse mode.
You cannot play tracks of
ATRAC3 or ATRAC3plus
format.
You cannot play a copyrighted
track of WMA format.
70
Causes/measures
 You cannot fast-forward or fast-rewind such content as follows by
system limitations:
Content where the time length is unknown.

Copyrighted WMA format files.

When you are playing these types of files, the progress bar does not
appear on the playback screen.
 You cannot play any files other than audio files.
 You cannot play the following:
A track that violates playback restrictions.

A track with irregular copyright information.

A track that you bought at an online music store that does not allow

home network streaming.
 If there are no tracks or folders under the layer of the selected folder,
you cannot extend the folder to display its contents.
 You may have connected to your computer with Windows Media
Connect or Windows Media Player 11 as a server. Use VAIO Media
Integrated Server as a server to connect to your computer (page 62).
 You may have connected to your computer with VAIO Media
Integrated Server as a server. Use Windows Media Connect or
Windows Media Player 11 as a server to connect to your computer
(page 62).