Filesystem Object and Expanding Environment Variables in VBScript - Delete File

<!-- : Begin batch script
@ECHO OFF
CLS

::copy /y NUL %TEMP%\jobrunning.log >NUL
TIMEOUT 5
cscript //nologo "%~f0?.wsf" //job:VBS

GOTO :EOF
----- Begin wsf script --->
<package>
  <job id="VBS">
    <script language="VBScript">
        Dim ObjShell
        Set ObjShell = CreateObject( "WScript.Shell" )

        Dim FPath
        TEMP=ObjShell.ExpandEnvironmentStrings("%TEMP%")
        FPath = TEMP & "\jobrunning.log"

        Dim ObjFS
        Set ObjFS = CreateObject("Scripting.FileSystemObject")

        IF ObjFS.FileExists(FPath) THEN
            ObjFS.DeleteFile FPath
        END IF

        Set ObjShell = Nothing
        Set FPath = Nothing
        Set ObjFS = Nothing
    </script>
  </job>
</package>