It is possible that your firewall to block this program access to the server. In order to change that, you can go to Start -> Control Panel -> Windows Firewall -> Allow a program or feature through Windows Firewall ( in the top left corner) select the desired program then click OK.
Also, it is advise to check if this software isn't blocked by a third party tool like an antivirus or such.
If this isn't working, you can try to update the software to the latest version. This could fix some errors. To download the latest version, you can visit Software Informer application web page or the official download web page. Be sure to check the software requirements to see if your PC is compatible and you have all the additional programs installed.