Just mentioning it since it's a common cause. Given the information supplied, we can only make guesses. You can go through the steps I'll put below the horizontal rule in case they help to narrow down a cause. The most likely recourse is to capture a Console Log ( Chrome , Firefox ), and fill out a Help Center Request . Could you please carefully work through these steps of our guide to Solving Technical Issues ? Step 1: Make sure to use the right browser Please check if these issues persist when using both Chrome and Firefox. Step 2: Ensure that there are no extensions/addons interfering with Roll20 Please disable all add-ons/extensions. Step 3: Clear your cache If none of the above succeeds, please thoroughly work through Step 4 . (Don't forget the complete Console Log!)