These problems are notoriously difficult to diagnose ... could be hardware compatability with your video or sound card, bad ram, anything. I occasionally peruse the Sony tech forum and people post problems like this quite frequently, rarely with an answer forthcoming other than to install latest drivers, latest DirectX, try disabling sound, try different RAM sticks, etc, etc
If you play EQLive and the problem occurs with that as well as EQEMu, you could try asking over on the Sony boards
http://boards.station.sony.com/ubb/e...amp;LastLogin=
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