I have an application which lists devices as "occupied" if pin instantiation yields ERROR_BAD_COMMAND (22L). If I play a stream with iTunes f.e. , this works fine. And above all fast. But if I use a VM in Virtual Box which hogs the device, it takes AGES for pin instantiation to return. What can cause this ? And is there another way to check whether a device is in use ? TIA /Rob ****************** WDMAUDIODEV addresses: Post message: mailto:wdmaudiodev@xxxxxxxxxxxxx Subscribe: mailto:wdmaudiodev-request@xxxxxxxxxxxxx?subject=subscribe Unsubscribe: mailto:wdmaudiodev-request@xxxxxxxxxxxxx?subject=unsubscribe Moderator: mailto:wdmaudiodev-moderators@xxxxxxxxxxxxx URL to WDMAUDIODEV page: http://www.wdmaudiodev.com/