5 mulibox 2 pc problem

I am running 2 computers 3 on main 2 on 2nd. i was not have a problem untill last week where one of my toons on the 2nd pc Wont cast spell most of the time. its not targeting the mains mob. so i ran a diffrent account wich works on my main, but it wont cast either. and yes my macros arre set right. and my 2nd pc keyclone looses conection alot and wont reconect i have to shut down everything and start over? Please help :(



I also 6 multibox I have a 70 priest tag along with my low level mages!!! that is 3 keyclones on 3 computers 3 on main 2 on 2nd pc and 1 on my laptop.