You mean of the anydvd ripper? Sure. Just rightclick the tray icon and pick your favorite option, and do it as many times as you want. You can even make changes in between! Eg open the anydvd ripper and start a rip, open the GUI, make change in the settings. Close the main GUI and open a 2nd ripper. Your chances will ONLY apply to the 2nd ripper window.
You didn't happen to have the main GUI open at the time did you. You can't open a ripper window when the main interface is open (this is due to what I mentioned above, you can modify settings in-between). The ripper is code wise intertwined with the main interface. It HAS to be closed before you can open (another) ripper window.
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