Hi Robert,
Welcome to Microsoft Community and thanks for posting the question.
As per the description, you get an error code 3002 with Magic Jack.
The issue can be resolved by Rebooting the Router.
Check the link mentioned below and see if it helps.
**http://www.magicjacksupport.com/a-sulution-for-error-3002-t11548.html**
Hope this information helps.
Reply to us if you face any other Windows Issue, and we would be glad to assist you.
Have a nice day!