Hello Tina. Sorry to hear you are having issues. I'm not familiar with the Mac OS but there is troubleshooting steps you can try located here: <a href="https://wiki.roll20.net/Solving_Technical_Issues" rel="nofollow">https://wiki.roll20.net/Solving_Technical_Issues</a> Good luck and post back after you review and try the steps so people know if you need help and it needs to be bumped up higher such as making a help request ticket (<a href="https://help.roll20.net/hc/en-us/requests/new" rel="nofollow">https://help.roll20.net/hc/en-us/requests/new</a>).