Can you remove the 
Any chance, you have multiple copies of
Can you try to use a full path to the latest version of WinSCP in the
        cls and @echo off and show a screenshot for run the batch file again?
Any chance, you have multiple copies of
winscp.com/exe for a different version of WinSCP, executing a different version each time?
Can you try to use a full path to the latest version of WinSCP in the
.bat?