Sometimes the workspace manager takes two tries to work. If it still fails after the second time, make sure to check the following!
Is the computer connected to the internet? Try searching something in google to double check!
Are there parent restrictions on your account? Sometimes parent restrictions won't allow downloading on a child account! Try temporarily disabling parent restrictions by using the following instructions
If none of these work, create a ticket and CodaKid Support will be happy to help solve your issue!