Please check the settings on your browser.
If you're using Chrome, you can do this by going to privacy and security and enabling www.icas.cirrusplatform.com to allow pop-ups and redirects, and www.getproctorio.com to allow camera and microphone. If this doesn't work, please restart your computer and try again.
If the issue persists, please ask an invigilator if you're sitting in-centre. If you're sitting remotely, please contact us.