Hi Andy As long as you downloaded the free product, it's not time-limited and I know of no reason why it should stop working. Uninstall, reinstall and cross your fingers! https://www.ashampoo.com/en/usd/pin/7110/burning-software/burning-studio-free [NB: RESTART YOUR COMPUTER BETWEEN UNINSTALLING & REINSTALLING. That flushes the registry...
22:33 Fri 24th Nov 2017