Failed to instal CIS 6

Hello everyone.
I need help with installing Comodo Internet Security 6 at Windows 8 x64.
It was installed at this pc, but after using windows restore function - CIS doesn’t run.
So, I was tried to reinstall it by following these instructions, but unfortunately it not helped me.
Installation is successful,but after the computer is restarted, it will not start. Just shows me dialog with “failed to run cis”, and runs his own diagnostic system, which says, that’s all fine. ???

I can’t understand, why it doesn’t start.
Thanks.

With best regards, Aleksei.

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