3dsmax's beep sound

[pixelstudio]

hey peeps,

a quick question, maybe some1 knows
when modelling i have to draw allot fo splines over a drawing. everytime max asks "do you want to close the spline"?
this comes with an annying TOINK or Beep sound. is there any way to disable this sound ?

[pixelstudio]

hmm never mind me. simple default windows beep sound changed to none