Try submitting a support ticket here:
https://www.geniatech.eu/support-contact/?Product=eyetv 3
I did that tonight, and promptly received the following reply:
For HDHomerun, 7520 is the last version supporting HdHomeRun. Version 7520 software download site:
https://www.geniatech.eu/download/eyetv-3-6-9-7520/ As for the issue of TV Guide, it is a technical issue. We are fixing it. We will inform you immediately once it is back to normal. Kind regards, Angela