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What is the "Adobe CEP HTML Engine"? It`s using too much from my processor.

New Here ,
Dec 11, 2015

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I`m trying out Photoshop CC from the past 10 days. It`s going well, but now, every time I open it, the workspace blinks white and the processor runs slow, avoiding the actual use of Photoshop.

In the Task Manager I've identified this 4 Processes called: "Adobe CEP HTML Engine", using lots of processors %. Closing them, I got back to Photoshop and it`s possible to work again, till the next file.

Every time I start PS or leave the workspace with no opened file, it starts all over again. Then I have to go back to Task Manager and finish the same processes again.

How to fix it for good? Is it related to Behance?

I`m using a Dell notebook, Core I7, 8Gb RAM, Win10 64.

Cheers.

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What is the "Adobe CEP HTML Engine"? It`s using too much from my processor.

New Here ,
Dec 11, 2015

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I`m trying out Photoshop CC from the past 10 days. It`s going well, but now, every time I open it, the workspace blinks white and the processor runs slow, avoiding the actual use of Photoshop.

In the Task Manager I've identified this 4 Processes called: "Adobe CEP HTML Engine", using lots of processors %. Closing them, I got back to Photoshop and it`s possible to work again, till the next file.

Every time I start PS or leave the workspace with no opened file, it starts all over again. Then I have to go back to Task Manager and finish the same processes again.

How to fix it for good? Is it related to Behance?

I`m using a Dell notebook, Core I7, 8Gb RAM, Win10 64.

Cheers.

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New Here ,
Dec 15, 2015

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I'm also having this problem. It happens in Illustrator as well. It's really annoying and I couldn't find information about it on the net. Started with CC 2015.1 programs version.

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Adobe Community Professional ,
Dec 15, 2015

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Using a Windows 10 x64 system with the latest version of PS CC (2015.1.1) but don't see that particular process. I see two instances of "Adobe CEF Helper (32-bit)" (which I believe is related to the CC Desktop App).

/shrug

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Community Beginner ,
Jan 04, 2016

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Hi! I just solved it. It was constantly using 30% of my CPU.

The responsible file is "C:\Program Files\Adobe\Adobe Photoshop CC 2015\Required\CEP\CEPHtmlEngine\CEPHtmlEngine.exe"

Apparently, it enables html5 extensions/plug-ins in Photoshop.

Just go to Edit, Preferences, Plug-Ins and uncheck "Allow extensions to connecto to the internet" and most importantly "Load Extension Panels".

That did it for me. Cheers!

This solution has also helped many affected by this issue:

CEPHtmlEngine slows Computer (Mac) and solution.

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New Here ,
Jan 05, 2016

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But it disables the Start Screen. It's a workaround, not a solution.

In another posts, here in the forum, I learned that starting Ps, Ai etc as Administrator worked. So, in one of them, where Adobe staff was talking, I asked for the responsible files needing admin permissions. Here is the answer. I'll test it later to see if setting the right permissions in those folders will solve it.

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New Here ,
Jan 15, 2016

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I had a similar problem with Premiere Pro CC 2015 9.1.

And a similar solution.  Once I closed the "Libraries" panel, the app stopped trying to connect to the cloud repeatedly (or whatever that panel was doing) and CPU usage dropped.  It was using an entire core and really heating things up!

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New Here ,
Feb 19, 2016

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THANK YOU!!!!

It was driving me crazy!

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New Here ,
Feb 02, 2016

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It happens in DreamWeaver CC 2015 too...

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New Here ,
Feb 16, 2016

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Did you ever find a solution? I'm struggling here.

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Explorer ,
Feb 16, 2016

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I'm having the same problem with InDesign, Illustrator and Photoshop. I'm using OSX. The only solution I know of at the moment is to shut down all processes called "CEPHtmlEngine" (not CEPHtmlEngine Helper; those will shut down with the CEPHtmlEngine) by using the Activity Monitor.

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Explorer ,
Feb 17, 2016

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Same here, closing the libraries panel only works in premiere and after effects, indesign, illustrator and photoshop still open one 20% consuming CEPHtmlEngine Process each.

How do you end the process it just comes up again instantly for me.

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Community Beginner ,
Jan 05, 2017

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HenryWalkerWalker wrote:

Hi! I just solved it. It was constantly using 30% of my CPU.

The responsible file is "C:\Program Files\Adobe\Adobe Photoshop CC 2015\Required\CEP\CEPHtmlEngine\CEPHtmlEngine.exe"

Apparently, it enables html5 extensions/plug-ins in Photoshop.

Just go to Edit, Preferences, Plug-Ins and uncheck "Allow extensions to connecto to the internet" and most importantly "Load Extension Panels".

That did it for me. Cheers!

This solution has also helped many affected by this issue:

CEPHtmlEngine slows Computer (Mac) and solution.

SOLVED!

This worked for me. Thanks!!

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Explorer ,
Aug 05, 2017

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HenryWalkerWalker

Your method seems to have worked for me...  Why oh why isn't this fixed?

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LEGEND ,
Feb 02, 2016

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If you disable extensions via preferences you will notice that Libraries will disappear under the Windows menu and that tells you the source of the problem -the Libraries palette. Disabling  all extension though is overkill. The best thing to do is close the libraries panel , create a new workspace and save it. Now when Photoshop opens the library will be missing from the screen and the CPU activity will be normal. To use the library select it from the Windows menu.

Hope that helps

Terri

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Explorer ,
Feb 15, 2016

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I have it too, using Premiere and After Effects CC on Win 10, it was using 40% until i closed the Libraries Panels. Please fix though!

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New Here ,
Jun 03, 2018

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Thanks, Terri. That was just the ticket.

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New Here ,
Feb 18, 2016

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Excellent - solved the problem, many thanks. ADOBE WHAT IS WRONG WITH YOU GUYS!

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Explorer ,
Feb 23, 2016

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If I untick "Show 'Start' Workspace When No Documents Are Open" in Preferences for Photoshop and Illustrator, the Adobe CEP HTML Engine stops using up CPU. But there's no option in Dreamweaver or Premiere so I'm stuck.

Edit: Closing the Libraries tab didn't work for me as others did.

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