PLZ HELP....

MY NAGC IN NOT RUNNING IN WIN 64BIT PLZ GIVE ME SOLUTION.....HOW I RUN...IT GIVE GAME GAURD 7C ERROR

Windows Vista/7 Users:
Right click Grand Chase icon.
Select Properties.
Select Compatibility Tab.
Check "Run Program as Administrator"

I don't know if this solves your problem, but then try it.

Try re-installing GC.
Or maybe change internet connection...
Or disable any programs that want to hack you.
Or restart PC.

That's all I've got. Please ask [Only registered and activated users can see links. Click Here To Register...] next time. No need to make threads.

More details? Is that all the error message says? "C7?" common people we can't give a solution a problem we don't know!

Here's one solution i found using GOOGLE:
rename "GameGuard.des" in GrandChase folder AND GrandChase\GameGuard. And try running the game (it should download some patches and then work).

If it doesn't help, post more details. WE don't know what's going on in YOUR PC.