We can perform some troubleshooting to successfully access the ProAdvisor training courses, Sharon.
First, consider signing in to QuickBooks Online Accountant using a different web browser. If you can start a training course or exam in that browser, continue using it, as your original browser may not be compatible with our training systems.
You can also temporarily turn off the pop-up blocker of your web browser to see if that resolves the issue as it may block training courses and exams. Here are the links to guide you in disabling pop-ups for your specific browser:
Alternatively, you can refer to the Solutions 3, 4, and 5 in this article to add the training webpage as a trusted site, to clear your browser's cache, or to ensure that you have the latest version of Java: Fix issues when starting Accountant and certification training.
Also, check out the Step 3: Get your certificates and badges section in this resource to learn how to obtain your certificate: Sign up for Accountant and QuickBooks certification courses.
Click the Reply button if you have any further questions or concerns about the ProAdvisor training courses. The Community is here to assist you.
