When I have flex play a sound effect on a computer with no sound hardware I get 
this actionscript error:

TypeError: Error #1009: Cannot access a property or method of a null object 
reference.
 at mx.effects.effectClasses::SoundEffectInstance/play()
 at mx.effects::EffectInstance/startEffect()
 at mx.effects::Effect/play()
 at MethodInfo-3348()
 at Function/http://adobe.com/AS3/2006/builtin::apply()
 at ()
 at flash.utils::SetIntervalTimer/flash.utils:SetIntervalTimer::onTimer()
 at flash.utils::Timer/flash.utils:Timer::_timerDispatch()
 at flash.utils::Timer/flash.utils:Timer::tick()

How can I handle this error for computers without sound hardware so it doesn't 
halt their flex app?

Thanks!

-Jamie

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