You can try rename ur cleo,sf files,to anything (ex:txt,dll) - launcher wont dare to delete them
And rename all of it to its original .extensions at once asap(1-2s) after press "PLAY"(or something idk)
Cleo files should be loaded.
It can be done by using Command Prompt cmds:REN + COPY (save as .bat file)
I tried this method on few servers has launchers like this in the past and it works everytime.