You can’t see My Grades.

Your My Grades icon should appear on your course toolbar, if it has been enabled by your instructor. If you do not have a My Grades icon, please contact your instructor to request that it be added to the toolbar. Also, note that specific … Continued


Links don’t work or course pages don’t load.

If you get a “Page not Found” message, first try refreshing or clicking once on the link to load the page again. Note that pages with large graphics or other media may take longer to load, especially when accessing over … Continued


You can’t start your quiz.

First, make sure that you have disabled any pop-up blockers for your browser, including those included in the popular search toolbars such as Google. Second, quizzes are typically set up with specific date and time parameters by your instructor. If you … Continued


You can’t attach a file to your assignment.

The process to attach a file from your computer to an assignment requires that a current version of Sun Java (a free program), be installed on your computer. A Java applet runs when you click the My Computer icon in the Choose Files window … Continued


You can’t open a Chat session.

Chat or Whiteboard require that a specific version of Sun Java (a free program), be installed on your computer. Please review the Computer Requirements section for details.



Your course isn’t listed on your My MUOnLine page.

Courses won’t be listed until a day or two before the first day of the semester. Late registrations can delay access to your course after registration, during which time you would not see that course listed on your My MUOnLine … Continued


There was an error opening this document (PDF document)

If you get an error message that “the document is corrupt and cannot be loaded”, then you need to apply an update/fix to your Adobe Acrobat Reader to version 6.0.1. This update is necessary both for Adobe Acrobat Professional and … Continued


Session timed out

The idle session time limit in MUOnLine is set to 75 minutes. If you are logged in to your MUOnLine course and do not perform any actions in the course (click links, access tools, click send, save, etc.) for 75 … Continued


Unexpected system exception error

Please write down what you were doing when you encounter this error message and provide that information to the Information Technology Service Desk. It is important to also note the date and time the error occurred. Try the following steps to … Continued


Incorrect username or password

Please double-check this list and re-try your log in. Usernames and passwords are case sensitive. All MUOnLine usernames are lowercase. If you have changed your password, make sure you are entering it with the proper case. Check if the CAP … Continued


MUOnLine session already running

In your Internet Explorer browser, go to Tools/Internet Options. Click on the Advanced tab and in the Browsing section, UNCHECK the box next to “Show friendly HTTP error messages“. Click OK to save changes. Also, while in MUOnLine, do not … Continued


You are not authorized to view this page

In your Internet Explorer browser, go to Tools/Internet Options. Click on the Advanced tab and in the Browsing section, UNCHECK the box next to “Show friendly HTTP error messages“. Click OK to save changes.