“There is no connection to the authorization server or your IP is blocked” in Zennoposter or Zennobox

If you get this error when starting Zennoposter, you need to do the following (we recommend doing it sequentially and checking whether the error has been corrected after completing each step):

1. Check your internet connection.
2. Login via browser the same computer or the server from which you launch Zennoposter or Zennobox, to your personal account. Login to your account. After successful login, try running the program again.
3. If you have VPN enabled on your computer, try turning it off.
4. Change the license check server via the program "ServerSwitcher" (download).