[Todd Kopriva]

Install the 8.0.1 update:
https://blogs.adobe.com/premierepro/2014/07/pprocc-2014-0-1-update.html

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Todd Kopriva, Adobe Systems Incorporated
After Effects quality engineering
After Effects team blog
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[Todd Kopriva]

Is this a 3D composition? Are you previewing through a different camera view than the active camera?

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Todd Kopriva, Adobe Systems Incorporated
After Effects quality engineering
After Effects team blog
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[Todd Kopriva]

The main relevant difference is the GT 750M GPU in the 15″ model. This makes a huge difference for Premiere Pro, which uses the GPU to accelerate a lot of things.

The larger screen size is also a big deal when you’re trying to do visual work, like video editing and graphic design.

So, personally, I’d go with the 15″. It’s what I’m typing on right now, in fact.

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Todd Kopriva, Adobe Systems Incorporated
After Effects quality engineering
After Effects team blog
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[Todd Kopriva]

After Effects and Cinema 4D communicate over TCP. It may be that your wireless internet system is using/blocking the port that they’re trying to use for their communication.

You can try using a different TCP port by changing the value in the Cineware settings (which you get to by clicking the Options button in the Cineware effect in the Effect Controls panel).

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Todd Kopriva, Adobe Systems Incorporated
After Effects quality engineering
After Effects team blog
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[Todd Kopriva]

This script does the second half of what you want:
https://aescripts.com/render-frame-at-markers/

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Todd Kopriva, Adobe Systems Incorporated
After Effects quality engineering
After Effects team blog
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[Todd Kopriva]

You got answers to your duplicate post here:
https://forums.adobe.com/thread/1535227

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Todd Kopriva, Adobe Systems Incorporated
After Effects quality engineering
After Effects team blog
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[Todd Kopriva]

Monica, why are you resurrecting a thread that’s more than three years old?

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Todd Kopriva, Adobe Systems Incorporated
After Effects quality engineering
After Effects team blog
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[Todd Kopriva]

Which exact version of Adobe Media Encoder? 8.0.1?

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Todd Kopriva, Adobe Systems Incorporated
After Effects quality engineering
After Effects team blog
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[Todd Kopriva]

Another possibility is that you have too little RAM to have so many applications open, and this is causing the operating system to need to swap the contents of RAM to disk when switching applications.

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Todd Kopriva, Adobe Systems Incorporated
After Effects quality engineering
After Effects team blog
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[Todd Kopriva]

Is this a project with a lot of source footage files? One of the things that After Effects does when you switch focus back to it is check to see if any source footage files have changed and need to be refreshed.

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Todd Kopriva, Adobe Systems Incorporated
After Effects quality engineering
After Effects team blog
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