There is no need to make two threads about almost the exact same issue
A K-line from a server means you have been banned from it. This is nothing to do with mIRC, mIRC is just one of many IRC clients and there's nothing we can do here. It'a a good idea to use the search feature or briefly look at the sticky threads around the forum before posting - there is one in this very forum entitled if a network has banned/klined you
which has further information that should be useful to you.
Basically, you need to contact GalaxyNet.