CCE fails to load engine

CCE will not start. I get message that engine failed to load and I should download product again and check disk space. I have downloaded three times and file space is fine. I am trying the latest x64 version.

On what version of Windows is this happening?

Windows 7 X64 version with all the latest updates applied. I use Norton IS 2012. Is that a problem?

here is the screen cce returns

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Is there anybody using Norton IS 2012 who could comment on this?