You should talk to the professor, and make an appointment with your advisor. For some courses, you can visit the various learning centers on campus to get extra help. The Waino Wahtera Center for Student Success offers Academic Success Coaches and other resources. Academic difficulty is a serious problem, but not an uncommon one. Here are some policies (withdraw dates, refunds, etc.) regarding dropping classes or withdrawing from the university. It’s a good idea to contact your advisor before making changes to your registration.