If you are experiencing an issue where your Unfiltered Audio products are coming up with a black/blank GUI on Windows machines, please try doing the following:

  1. Open Windows Explorer.
  2. Type %APPDATA% into the address bar.
  3. Find the "Unfiltered Audio" folder.
  4. Locate the SandmanPro.uao file.
  5. Right-click the file and open it in Notepad.
  6. Find the option "EnableOpenGL". It should be set to "1".
  7. Set the option to "0" instead.
  8. Save and close the file.