過去スレにあったやつ使ってて今のところ問題ない
forをloopにした

holdup_key() {
Sleep, 5
keys = ["Control", "Ctrl", "Shift", "Alt", "Win", "sc079", "sc07B", "sc070"]
SendInput, {Blind}{LControl Up}{LShift Up}{LAlt Up}
loop, 2
{
loop, len keys
{
SendInput, {Blind}{keys[A_Index] Up}
}
}
}