I wanted to install ubuntu-restricted-extras with apt, but they include ttf-mscorefonts-installer, for which I must accept an EULA license. I don’t want to, but I can't find a way to reject it. There is an 'OK' button but no 'Reject'.

I have tried Ctrl-C, Q, Esc, but it only makes the installer blink and show the license again.

Closing the terminal or killing the process is not an option because the file lock doesn't get freed.