You cant....
you cant the only controller that works with combat arms is the xbox 360.
It lags with slow connection , bad connection or corrupted connection
u cant
Hmm do you have internet connection? If not then it will probably not work otherwise redownload it, and check it your computer meets the requirments from the Combat Arms website. Hope this helps :)
Firstly spell your questions correctly, its to do with your internet
u cant put it in a window mode
No, it cant or else someone would of post that they have a virus
you cant or else you will get jailed
To load maps faster in Combat Arms, you'll need to have a faster internet connection and/or more RAM (temperary memory -- internal computer hardware). An alternative is to have less programs running while playing combat arms as to not slow it down.
Either The Nexon messanger cant connect or there is a slight problem where you cant have certain friends
NA combat arms can be played in japan but need a REALLY good proxy, but i think you cant anymore but there is a combat arms Japanese now go check it out.