If Crahsplan is not installed, install it with the self service app.
Launch the application and wait for the login page:
Enter your GT account in the form of gburdell3 and user the server name "crashmaster.gatech.edu"
Enter the password for your GT account:
To verify that the software is backing up the correct User folder, click on Manage Files in the top right:
And Finally verify that the folder that is checked, is either your GT account or your Name, and not Administrator etc...