i need help big time pls pls

[Twinem]

hi I use auto hotkey for pulldowns I just got windows ten so I re dl auto hotkey and am using a diff script I found online. The script was working perfect the first 35 min then it randomly stoped working. when I go to try and run it again it says its already running so I just reload it and it works again. But now it randomly stopping every 5 min. I cant even get through half of a game in aPEX WITHOUT HAVING TRO RE LOAD THE SCRIPT. tHIS IS THE SCRIPT I FOUND ONLINE CAN SOMEONE PLS TELL ME WHY IT STOPS WORKING EVERY 5 MIN

#NoEnv
SendMode Input

_auto := true

~LButton::autofire()
+LButton::_auto := ! _auto
F1::ExitApp

autofire()
{
global _auto
if _auto
{
Loop
{
if GetKeyState("LButton", "P")
{
Sleep 85
mouseXY(0, 6)
Sleep 45
}
else
break
} ;; loop
} ;; if
} ;; autofire()

mouseXY(x,y)
{
DllCall("mouse_event",uint,1,int,x,int,y,uint,0,int,0)
}

[mrlegacy83]

This looks like a script for cheating at a game....