Help with Mailvelope/PGP encryption

Hi there

I’m a linux noob. I just updated my machine to the latest version last night to get past a bug in Seahorse as I’m trying to start using encrypted PGP mail (in fact I really need to use encrypted…

I’ve just got the Mailvelope add on and have generated a pair of keys but have got stuck on the part where I export and save my public key, I have followed the instructions to do this but when I hit ‘save’ the screen just goes into a permanent loading state and doesnt go anywhere, any help greatly appreciated!

Thanks, Hannah