When extracting the CA Spectrum install tar file using 7zip, the following error shows:
There are some data after the end of the payload data
This is a problem with the 7-zip utility and utilizing the "Extract Here" feature.
To workaround this using 7-zip, select the "Open Archive" option, and then extract the CA Spectrum files to a directory.
There is an open discussion on the 7-zip issue in regards to this functionality:
And a bug has been logged: