Hi, I've found a great way to set icons for tray items: . Unfortunately a 'wrong' icon background color is displayed under XP / 2003 (see attachment). Here's what I have so far: #include-once #include <Constants.au3> ; <...> #include ".\WinAPIEx\WinAPIEx.au3" AutoItSetOption("MustDeclareVars", 1) ; Opt() AutoItSetOption("TrayMenuMode", 1) ; Opt() Global $aTrayItems[3] $aTrayItems[0] = TrayCreateItem("Test1") $aTrayItems[1] = TrayCreateItem("Test2") TrayItemSetState(-1, $