The Copy button uses Flash for it's functionality. Recently, browsers have been disabling flash on websites by default. You will therefore need to enable Flash for DomCop in your browser.<br/><br/> To do this, click on the "secure" link next to the SSL lock icon. A popup will open. Here next to "Flash" select "Always allow on this site".<br/><br/> Once done, refresh the page and the Copy button will start working again.