Moved to the correct section.
Please make full use of the forums, and post within the CORRECT section, your post will result in faster answers, and more activity with forum members.
Also, DO NOT MAKE ANOTHER THREAD.
Continue to use this one, don't make another expecting more replies.
It MAY be a server problem, hence the "Cannot connect to server"
Therefore, checking
Www.CombatArms.Nexon.net would be of most probability to solve your problem.
Post back with MORE detail.