アップロードする時のコツをまとめました。
1- Do "File Housekeeping" and "Directory Maintenance".
2- Delete any PUL (partial) and ULX (could not upload) file.
3- Delete "MSPE Dir Holes.DAT" in C:\wisp\(satellite) folder.
4- Change to [N] the unnecessary files at Status[S] in View-Dir.
5- It also works well on Windows10, 64bit OS.