I'm afraid your post doesn'teven begin to make any sense. You have not provided any actual technical info or what missing effect/ plug-in allegedly might cause the red cross or whatever.
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A big red X in the comp panel usually means you are applying a plug-in that you have not registered or paid for.
Is this your own project, or a template you're working with? As Rick said, this is usually indicating a 3rd-party plugin that isn't registered - the red x is essentially a watermark so you can't use the plugin for free.
If it's a template, it should have stated in the description what plugins were required.
If it's your own project... this is a stranger situation, and we'll be happy to help you figure it out, if you can provide more information.