Kindly let us know if you have subscribed for the Unlimited Online back up or the one included in any security suite ?? also let us know the Full computer name in which you receive this error.
Steps to check computer name:
Click Start > Right click on Computer or My Computer
Click on properties
Like the one below;
I hope you know how to solve this problem. I have exact the same problem. Last friday a support engineer of McAfee reinstalled my complete McAfee suite (Total protection) and said my girlfriend (she was at home for the remote acces) the problem was solved. When icreate a new online backup this morning (21% of quota) ecaxt the same problem.
My full computername is: ERP2Optimize