They won’t die . . .

Unequip the F34T disk.

Also read the disc description this time so you know why you were having trouble 

I've got the same problem, it's frustating

Almost as frustrating as someone that doesn’t read a solution already provided in the first response 

Tengo problema en el sector 3 de la conquista. No importa cual sea el equipo que utilice, siempre pierdo y los integrantes del contrincante nunca mueren.  Me pasa lo mismo tanto en el nodo de los soldados clones como el de Padmé. 

Again, the solution is in this thread (though admittedly not in Spanish) 

Quita el f training disc