[kotkovets]

diakov,
Для MUI2, делаем калбек при открытии финишной странички.

Код:

OutFile "Basic.exe"
!include "MUI2.nsh"

!define MUI_FINISHPAGE_RUN "Setup.exe"

!insertmacro MUI_PAGE_INSTFILES
     !define MUI_PAGE_CUSTOMFUNCTION_SHOW FINISH_SHOW
!insertmacro MUI_PAGE_FINISH

!insertmacro MUI_LANGUAGE "Russian"

Function FINISH_SHOW
  EnableWindow $mui.FinishPage.Run 0
FunctionEnd

Section
SectionEnd