Your course is time based. Texas TDLR requires each section to be completed before you can move to the next one, so the "Next" button will unlock automatically once you've met the required time for that section.
Every lesson includes a built in timer to ensure your continuing education meets TDLR requirements.
You can complete the lesson by:
Once you've finished the required time for that section, the "Next" button will unlock automatically and you'll be able to continue.
There's no need to refresh the page or contact support. Just continue engaging with the lesson, and the system will take care of the rest.