1 : Go to C:\Uni or check uni.Config and open this File . Check in the Picture
Example : you have like this
Host=us4.universalbox.com
HostName=us4
So just change it , like this
Host=us1.universalbox.com
HostName=us1
do change the Server as u like ,
PS: Dont open the Universalbox.exe during Change the Server
Regards
Universalbox team