CIS Premium Download OK - Install Failed

I have downloaded CIS Premium Free 5 times, but it failes to install every time.

Download from Comodo site and other sites, it makes no difference - fails every time.

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Without knowing your OS or CIS version, perhaps the following topic will help.

https://forums.comodo.com/install-setup-configuration-help-cis/cannot-install-cis-error13-the-data-is-invalid-t59496.0.html