When I have launched it, it said that an error occurred and I should try later when I would register to get a password. My Net Framework is updated and I have allowed the application in the Firewall. What should I do?
Many users complain about difficulties with Wassapp's registration and activation and choose the Bluestacks as an alternative. Besides, it offers a perfectly working Android environment. So, if you'd like to, you may install Bluestacks and the official version of the WhatsApp client.