Problem in installing X-CTU

I have a problem in installing X-CTU. Whenever I click “setup_X-CTU.exe”, the installing process stopped after the unzip process. When I downloaded recent version, the installation process always shows the error message “Failed to run setup_xctu.exe”. Please, help me know how I can install X-CTU ?

I’m not sure where that version came from, but this is the version which should be used:

Also, what Operating System are you trying to install this in?