WinME:Go to START MENU->SETTINGS-> CONTROL PANEL-> SOUNDS & MULTIMEDIA.At the bottom under Scheme, select No Sounds and answer NO to "Save current scheme?" This will turn off all Windows system sounds.Select DEVICES tab, and expand the AUDIO DEVICES item.Double-click the Audio for Digidesign Multimedia Devices, and checkmark the box "DO NOT MAP THROUGH THIS DEVICE" and hit OK.This will disallow Windows from using your Digi 001 or Audiomedia III card. If you have a Sound blaster-compatible card still installed, Windows will now use it for Windows sounds.Win98:Go to START MENU->SETTINGS->CONTROL PANEL->MULTIMEDIASelect DEVICES tab, and expand the AUDIO DEVICES item.Double-click the Audio for Digidesign Multimedia Devices,, and checkmark the box "DO NOT MAP THROUGH THIS DEVICE" and hit OK.This will disallow Windows from using your Digi 001 or Audiomedia III card. while you're in a recording program. If you have a Sound blaster-compatible card still installed, Windows will now use it for Windows sounds.Go back to the CONTROL PANEL->SOUNDS.At the bottom under Scheme, select No Sounds and answer NO to "Save current scheme?" This will turn off all Windows system sounds.