[ret52]

Вот сам скрипт:

#NoTrayIcon
#include <SysTray_UDF.au3>



$Pid = ProcessExists("USBGuard.exe")

If Not $Pid Then
MsgBox(16, "Error", "This process not exists")
Exit
EndIf

$Index = _SysTrayIconIndex("USBGuard.exe")

If @error Then
MsgBox(16, "Error", "This process not have tray icon")
Exit
EndIf

_SysTrayIconClick($Index, "Left")

If @error Then
MsgBox(16, "Error", "There was an error to click on the icon")
Exit
EndIf
Exit
Func _SysTrayIconClick($iIndex, $sButton="Main")
Local $TrayIcon_Pos = _SysTrayIconPos($iIndex)
If Not IsArray($TrayIcon_Pos) Then Return SetError(1, 0, 0)

Local $Old_Mouse_Pos = MouseGetPos()
MouseClick($sButton, $TrayIcon_Pos[0], $TrayIcon_Pos[1], 1, 0)
MouseMove($Old_Mouse_Pos[0], $Old_Mouse_Pos[1], 0)
EndFunc



В других ситуациях ЛКМ нормально работает (по крайней мере в простейшем "Hello world")