install Issue (with photo)

[Jay]

Maya :  2019 version

ngSkinTool Install file : zip

hello,

when I try to install, I got some issues like below : 

I've already done like under link but got same issue : 

https://forums.autodesk.com/t5/maya-animation-and-rigging/the-plugin-path-shows-up-but-the-plugin-cant-loadup/m-p/8480291#M15756

thank you in advance,