System shock 2 på windows XP

Hej er der nogen der kan hjælpe mig? har lige fået spillet System Shock 2.. når jkeg prøver at starte spillet får jeg en besked : System Shock 2 has a known compatibility issue with this version of Windows and might not run as expected. Contact Irrational Games for a compatibility upgrade.
Please note that this patch is not officially supported by Electronic Arts. Therefore, please do not contact Electronic Arts if you have compatibility issues with this patch. ( ps jeg har ikke installeret nogen patch men derimod installeret den frisk fra pakken) << jeg har også prøvet at installere igen. på forhånd tak