Can`t run MuOnline Guard instance. Exit abnormally

[Lenstaber]

hello i am using gmo season 2 files with standart main.exe

i have windows 7 x64 operating system and cant run this main.exe who can have any idea how to fix this error?

 

[KarLi]

u need to delete the file named main.dll in client and it will fix the issue.