There is a bug in all text-boxes:
Ctrl+a does not work,
Ctrl+c does not work,
Ctrl+v works but adds at the end 'v',
Linked issues
Comments

I'm using an spanish keyboard querty.
Disposition here: https://es.wikipedia.org/wiki/Teclado_QWERTY
Ctrl shortcuts do not work for me either, i'm using Belgian AZERTY.
Wiki: https://en.wikipedia.org/wiki/AZERTY
OS: Windows 10 pro (x86)
What keyboard layout are you using?