Emails are not showing their content, they're coming through and being marked as un-read however when I click on the message, it's not being displayed. I'm just getting a blank page. I've tried this on multiple versions of thunderbird and have also tried it in safe mode (Troubleshoot mode) and I'm still unable to view the email. I believe it could be to do with the type of email? HTML or plain text, attachements? I'm unsure and would love to know!

Thanks, Sam