#include <Excel.au3>
Global $oExcel = _Excel_Open()
MsgBox(0, "", "Excel Open: " & @error)
Global $sFilePath = "test1.xls"
_Excel_BookOpen($oExcel, $sFilePath)
MsgBox(0, "", "Book Open: " & @error)
Send("Writing this will cause it to fail to close!!") ; Comment it out and it works fine
_Excel_Close($oExcel, False, True);
MsgBox(0, "", "Excel Close " & @error)
Exit