Winamp & Shoutcast Forums - MUI + Languages + Override default text

i have a little prob...
i tried this first with Misha v.3s code, and it worked...
but i'm not able to get it started in mine
PHP Code:

		
			
; defines

    !define PRODUCT_NAME "ITS Client"

    !define PRODUCT_VERSION "1.0"

    !define PRODUCT_PUBLISHER "bit media"

    !define PRODUCT_WEB_SITE "http://www.bitmedia.cc"



;--------------------------------



; MUI Settings

    !define MUI_ABORTWARNING

    !define MUI_ICON "${NSISDIR}\Contrib\Graphics\monki-modern_theme\Icon.ico"

    !define MUI_UNICON "${NSISDIR}\Contrib\Graphics\monki-modern_theme\Icon_Un.ico"

    !define MUI_HEADERIMAGE_BITMAP "${NSISDIR}\Contrib\Graphics\monki-modern_theme\Header.bmp"

    !define MUI_HEADERIMAGE_UNBITMAP "${NSISDIR}\Contrib\Graphics\monki-modern_theme\Header_Un.bmp"

    !define MUI_WELCOMEFINISHPAGE_BITMAP  "${NSISDIR}\Contrib\Graphics\monki-modern_theme\Modern_lessorange.bmp"

    !define MUI_UNWELCOMEFINISHPAGE_BITMAP  "${NSISDIR}\Contrib\Graphics\monki-modern_theme\Modern_Un_lessorange.bmp"

    !define LVM_GETITEMCOUNT 0x1004

    !define LVM_GETITEMTEXT 0x102D



;--------------------------------



; include

    ;!include "MUI.nsh"

    !include "${NSISDIR}\Include\MUI.nsh"

    !include "${NSISDIR}\Include\bit_functions.nsh"

    !include "${NSISDIR}\Include\iptest.nsh"

    !include ITSClient.nsh

    

;--------------------------------



; global variables



Var UpdateDir

            # if KindOfInst == 0;       Normal Installation

            # if KindOfInst == 1;       Update

Var KindofInst

Var Ip



;--------------------------------



;initialwerte setzen

    Name "${PRODUCT_NAME} ${PRODUCT_VERSION}"

    OutFile "ITSClientSetup.exe"

    InstallDir "$PROGRAMFILES\ITS_Client"



;--------------------------------



;NSIS Schalter setzen

    ShowInstDetails hide

    ShowUnInstDetails hide



;--------------------------------



;Language Selection Dialog Settings

    ;Remember the installer language

    !define MUI_LANGDLL_REGISTRY_ROOT "HKCU" 

    !define MUI_LANGDLL_REGISTRY_KEY "Software\Modern UI ITSClient" 

    !define MUI_LANGDLL_REGISTRY_VALUENAME "Installer Language"



;--------------------------------



;Installer Functions

Function .onInit

    !insertmacro MUI_LANGDLL_DISPLAY

    !insertmacro wincheck

    !insertmacro checkifupdate

FunctionEnd



;--------------------------------



;welcome page

    !insertmacro MUI_PAGE_WELCOME

    

;--------------------------------

;Languages

    !insertmacro MUI_LANGUAGE "English"

    ;!insertmacro MUI_LANGUAGE "Italian"

    !insertmacro MUI_LANGUAGE "German"



;--------------------------------



;NSIS pages

    !insertmacro MUI_PAGE_LICENSE "License.txt"

    !insertmacro MUI_PAGE_DIRECTORY

    !insertmacro MUI_PAGE_INSTFILES

    !insertmacro MUI_PAGE_FINISH

    !insertmacro MUI_UNPAGE_INSTFILES







Section "Hauptgruppe" SEC01

    DetailPrint "---- Detail ----"

    SetOverwrite ifnewer

    Call IsDotNETInstalled

    Pop $R3

    StrCmp $R3 0 +3

    DetailPrint "Found .NET Framework!"

    Goto +2

    MessageBox MB_OKCANCEL "Can't find .NET, please install!"

    ${If} $KindofInst == 1        

            !insertmacro update

        ${Endif}

        !insertmacro copyfiles

    !insertmacro regdlls

    !insertmacro writesettingsfile

        ${If} $KindofInst == 1

            MessageBox MB_OK "kindofinst 1, settings.xml copied"

            DetailPrint "from: $Updatedir backup\config\settings.xml"

            !insertmacro FileCopy "$Updatedir backup\config\settings.xml" "$INSTDIR\config"

        ${Endif}

    ExecWait '"$INSTDIR\confEdit\confedit.exe" /file:..\config\settings.xml /conf:..\config\config.xml /d a,c'

    Push "$INSTDIR\Logfile_ITSClient.txt"

    Call DumpLog

SectionEnd



;--------------------------------



Section -AdditionalIcons

SectionEnd



;--------------------------------



Section -Post

    WriteUninstaller "$INSTDIR\uninst.exe"

SectionEnd



;--------------------------------



Function .onInstSuccess

    RMDir /r "$Updatedir backup"

FunctionEnd



;--------------------------------

Function un.onUninstSuccess

  HideWindow

  MessageBox MB_ICONINFORMATION|MB_OK "$(^Name) wurde erfolgreich deinstalliert."

FunctionEnd



;--------------------------------



Function un.onInit

  MessageBox MB_ICONQUESTION|MB_YESNO|MB_DEFBUTTON2 "Möchten Sie $(^Name) und alle seinen Komponenten deinstallieren?" IDYES +2

  Abort

FunctionEnd



;--------------------------------



Section Uninstall

    RMDir /r "$INSTDIR"

    RMDir /r "$SMPROGRAMS\ITS Client"

    DeleteRegKey HKLM "Software\Microsoft\Windows\CurrentVersion\Run\RunCL"

    SetAutoClose true

SectionEnd



;--------------------------------



;Langstrings



LangString WELCOME_TEXT ${LANG_GERMAN} "GERMAN" 

LangString WELCOME_TEXT ${LANG_ITALIAN} "ITALIAN" 

LangString WELCOME_TEXT ${LANG_ENGLISH} "ENGLISH"