You should try the Opera browser, it has a built-in VPN, you can connect from the IP address of another country. Enabling VPN can help in some cases, if the problem is in the connection, you can also purchase a paid version of VPN, it works much more stable and faster. Perhaps you need to contact Rocketpot.io technical support or try to ask people who have already managed to solve this problem.

Updates are done, all systems are go!