Uninstall Audio Drivers

1. Close all audio card applications.
2. Click Start -> Settings -> Control Panel.
3. Double-click the Add/Remove Programs icon.
4. Select the E-MU driver/application entries and click Remove.
5. Select Remove in the InstallShield Wizard.
6. Click Yes and restart the computer.

Source: 1820M — v2-1820-1212-en (manual)