how to use a default mt4 server ?

server


in the picture above , there is 4 server , i want to use the .ru server , but after a while it change to another , so is there anyway i can remove the other 3 and keep only .ru server to use ?

You probably already read the answer https://www.mql5.com/en/forum/144070
quangcao:


in the picture above , there is 4 server , i want to use the .ru server , but after a while it change to another , so is there anyway i can remove the other 3 and keep only .ru server to use ?

Please do not double post.