!macro _EnvSet
  ReadRegStr $R0 HKLM "SYSTEM\CurrentControlSet\Control\Session Manager\Environment" "Path"
  StrCpy $R0 "$R0;$INSTDIR\Collector\bin;$INSTDIR\DB\bin;$INSTDIR\Ruby\bin;$INSTDIR\Java\bin;$INSTDIR\Python"
  WriteRegExpandStr HKLM "SYSTEM\CurrentControlSet\Control\Session Manager\Environment" "Path" "$R0"
  System::Call 'Kernel32::SetEnvironmentVariableA(t, t) i("Path", "$R0").r0'

  SendMessage ${HWND_BROADCAST} ${WM_WININICHANGE} 0 "STR:Environment" /TIMEOUT=5000
!macroend

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