My NC Studio needs to be Re-install in my windows
I have my setup file which was supplied by my chinese supplier.
It works Good till today with my old installation but unfortunately it was deleted by mistake.
Now when I run this setup file to install it again, it is giving a bad signature error

here is an screenshot of the error
https://imgur.com/a/YbJoJsf

How can get rid of this problem?

Pls help I am in big trouble