If you have the McAfee extension installed in your browser located in the top right corner, it would look something like this.
If you click on the icon, the menu will open and you will click "Options"
Under Settings, there will be an option to "Manage your trusted sites". You will need to type in the URL that appears in the web address bar for your browser specifically since some schools have specific web address.
Once you type in the web address, click the plus sign to add it to the exceptions.
Reload your assignment and see if this fixes the problem. If not, please reach out to Support so we can provide further assistance.