Thank you very much for the question!
May I ask, when you open Graphisoftid.graphisoft.com, does the browser load anything, or does an empty page appear (or even worse, no connection error appears)?
Looking forward to hearing from you!
Happy New Year!
Technical Support Engineer
Hi, at windows 10 - problem was solved by advice from @Minh Nguyen
1 go to: C:\Windows\System32\drivers\etc
2 open Hosts (with wordpad or notepad)
3 delete all lines from # Graphisoft Anti-license checks by Up7 till the end. Once you're done, press Control + O to save the changes.
4 close editor ( Control + X )