Visualizer connectivity ERROR 10051

I'm using a Hog 3 to connect to wysiwyg, it was all working fine just yesterday, and today when I wanted to continue programming the visualizer connectivity comes with the following:

Status: Unable to connect to wholehog

Info: Connection error: 10051


Any idea what this is and how to reslove this problem?

I have the latest software on both the Hog 3 and visualizer connectivity
Firewall is turned off
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