pyinstaller does not include a pre-compiled bootloader for your
platform.https://pyinstaller.readthedocs.io/en/stable/bootloader-building.html\Python36\lib\site-packages\PyInstaller\bootloader\Windows-64bit\runw.exe 文件不存在，可能被殺毒軟件清理了。可以從源碼壓縮包中找到並恢復