Resolving a Single Sign-On Error on a Mac: An error occurred and single sign-on could not complete – Support @Blake (Information Support Support Services)

If you receive the following error on your Mac computer

Error: "An error occurred and single sign-on could not complete"

Then please try the following steps to rectify the problem.

Ensure that you have bookmarked the correct URL: http://gmail.blakeschool.org (If you would like to learn how to Bookmark Your Firefox Browser, please read: Bookmark Blake Email Link)
Ensure you are using Firefox, the preferred web browser on a Apple Mac. Read: Make Firefox Your Preferred (or default) Web Browser for Google Apps (Mail, Calendar, Groups, Drive/Docs and Sites)
Empty the cache and delete cookies. Read: Clear the cache on Firefox and delete temporary Internet files to fix common website issues
Restart Firefox
Restart the computer

If the error is still occurring, please submit a case to Support @Blake.