soccerbeast84: You might need to uninstall and reinstall the program. Also, check your school's website for newer versions of the software. If they have a new one, uninstall the old one and install the new one. Note: Download the file to a memory stick or CD and make sure you are disconnected from the internet before stopping your AV protection and uninstalling it. Do not reconnect to the internet until the AV is reinstalled or installed fresh as the case may be.
If this doesn't work, you probably should look into the possibilities of infection as many infections disable and corrupt AV products.
fozzie: Universities here in the U.S. often provide for their students security software and other software 'free of charge' or at low cost on a special corporate license the university has. Upon graduation, most of these programs then need to be removed from the students' computers.