3D central won't open

Hi all. Every time I try to open the 3D ContentCentral I geta message that reads "Unable to establish a connection to the 3DContentCentral service. To use 3D ContentCentral you must beconnected to the internet. please establish a connection and tryagain." My computer is always connected to the internet, what's theproblem?

Thanks for your help.Solidworks3d Contentcentral