Error 20410 (is this a skill issues)

[honest mauve]

I played yesterday and today I can't even load in to the game. it say Installation Failed (Code: 20410)

[jolly nebula]

found this reddit thread, dunno how much it'll help if you're still having issues
https://old.reddit.com/r/Maplestory/comments/1cjqyw2/installation_failed_code20410/
could also restart your router or something ig
edit: or it can resolve itself according to some forum posts i found