винамп и протулз разные дрова пользуют, поэтому конфликт

The ASIO Driver is not multi-client. Only one application at a time can use the ASIO Driver. Be sure to disable the Windows system sounds. It is also recommended that you use a separate sound card for games or other general work. It is also recommended that you use a separate sound card for games or other general work.

The ASIO Driver cannot be used if another application on the system is sending audio to Digidesign hardware through the Digidesign Wavedriver. If your system has both the Wavedriver and ASIO Driver installed be sure to disable Windows system sounds. It is also recommended that you use a separate sound card for games or other general work.