DoubleScroll is shareware, and the 15 day trial period is over. Press the 'Register...' button in the DoubleScroll Control Panel for information on registering your copy.
You have just replaced DoubleScroll 1.0. If you are a registered user, you must get a new registration number from the author. Consult the README file for more information.
Sorry, but DoubleScroll requires System 6.0.4 or greater.