AHK won't work in-game.

[Glitch]

I used a script that lets me to auto hold left click, however it seems to not be working anymore even though I haven't touched it all. It was working fine untill now. I've tried running it as admin, which didn't work. It does work outside game, just not in-game. The game is roblox.
Script:
z::Send % "{Click " . ( GetKeyState("LButton") ? "Up}" : "Down}" )

[Shadowpheonix]

They may have updated something on the Roblox side. Take a look at this thread for tips on troubleshooting it.