Instead of clicking the automatic button (which will fail), look for the Manual Activation button on the left.
First, a bit of background: VideoReDo essentially became abandonware after the passing of its original creator, DanR. While the official company servers are long gone, a former employee generously set up a manual activation site to help existing license holders keep their software running. Is There a Truly "Free" Activation? videoredo activation free
Go to the manual activation site in your browser and enter those two values. Instead of clicking the automatic button (which will