# Instructors can't access that Students tab in IE, but can access with other browsers.
Note: With those credentials, you are the Instructor of the Chris Test Course. On the homepage, click the "Dashboard/My Courses" link in the Primary Nav. From there click "Manage Course" button on the Christ Test Course box. Test Instructor creds are given in chat.
# In my certificate I am getting an error on preview TCPDF ERROR: [Image] Unable to get the size of the image.
# Double check that Instructor Invitation emails are being sent. I am receiving them but some people aren't.
Please note credentials are in chat.