This script is written in AHK v2

discord_hide_to_try.ahk

#SingleInstance Force
#Warn  ; Enable warnings to assist with detecting common errors.
SendMode "Input" ; Recommended for new scripts due to its superior speed and reliability.
SetWorkingDir A_ScriptDir ; Ensures a consistent starting directory.

; This script hides Discord to tray.

if (not ProcessExist("Discord.exe"))
{
    Run "C:\Users\user\AppData\Local\Discord\Update.exe --processStart Discord.exe --process-start-args --start-minimized"
}


; Below is not needed anymore
; WinWait "Discord"
; discord_window_title := WinGetTitle("Discord")
; if (discord_window_title == "Discord Updater")
; {
;     WinMinimize "Discord Updater"
;     WinWaitClose "Discord Updater"
;     WinWait "Discord"
; }
; WinClose "Discord"