What can I do if I get an error using Virtual Classroom?
Cookies might be blocking your browser activity. Start by clearing all cookie settings and then try again. You will find more information about cookies here.
Your browser or device might not be (fully) compatible with Virtual Classroom. Try a different browser (Firefox generally works best). These articles on browser compatibility and device compatibility might also help.
The Bongo website can also be helpful for further troubleshooting.