Maplestory issues

I used to be able to play maplestory fine on vista before, but now its
different story

When I load maplestory, it comes up with a message about compatibilit
issues and so I press 'run program' in the hope that I will work, and i
does, it gets to the log in page, but when I type in my ID, i can hea
the music begin to jump and freeze, also words repeat, e.g if i pres
.net, it comes up with .neeet

sometimes if I am lucky, I can get through, and once I am playing I a
fine, but if not, the whole games freezes, and I have to reboot m
computer

Is there any way of fixing this issue

P.S I have done all that, run as administrator, compatibility as win X
stuff, personally I think its to do with Gameguard

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chris12121