is the game really gone? what now? why is it still on steam? help

hi please assist

https://auditiongalaxy.com/

Either offer audition back to nexon or get this crap outta here seriously what a ♥♥♥♥♥ joke this is

Hi! Can someone help me fix this problem? When I'm going to open the game an error pops out saying "Error: Failed to update XIGNCODE due to insufficient hard drive space or because the program is being blocked by a firewall or anti- virus software" I can't find any solution to this problem. Thanks in advance!...