Ok, just a thought, is it possible to retrieve/change the client version of dekaron.exe? What I basically want to do, is fool the server into thinking an older version of dekaron.exe is the newest version, by changing the version number. I know for a fact that the server checks the client version before logging into the server with your character. If not, is it also possible to use a UCE to bypass this check? I heard somewhere from namek's post that UCE can possibly bypass CRC checks or w/e initiates autoban. Thanks appreciated.
P.S. I've heard about ollydbg to unpack dekaron.exe, but I have no clue about programming and stuff

LoL. If ollydbg might be the solution, a NooB-friendly guide for olly and ollyscript might be helpful

.