Cannot receive POP3 Mails anymore

[cyberzork]

Suggest to have a look at this thread that might help you

RetrieveLicenseXml failed

I have been using eM Client for my personal email for 8 years. Within the past week, when I first bring up eM Client on my Win 10 (current) Laptop I get the following error message. eM Client has been unable to contact the update server for at least 10 days. To be able to continue using this product, please ensure that the server is accessible from your network. Last attempt resulted in the following error: RetrieveLicenseXml failed