The com.adobe.preview.loader extension could not be loaded because it was not properly signed.

[Exitus]

After updating Photoshop, I'm getting this error:

"The com.adobe.preview.loader extension could not be loaded because it was not properly signed."

How can I reinstall preview loader extension to fix it?

Thanks.

[Mohit Goyal]

Hi All,

Please check the Knowledge base article for the issue:

com.adobe.preview.loader extension could not be loaded

Hope that helps.

Regards,

~Mohit

[ms467]

1. Got no errors when installing.

2. Had no beta versions.

-Marc

[AdorableAndray]

Photoshop CC 2015.5

Nothing of the stated above helps (as of October 31, 2016).

Uninstalled, cleared folders, renamed, deleted, reinstalled, what not.

The error still pops up.

[Mohit Goyal]

Hi AdorableAndray

Please update the Photoshop to 2015.5.1 version.

Keep Adobe Photoshop up to date

Regards,

Mohit

[AdorableAndray]

@Mohit Goyal 

Thank you Mohit. I should've corrected myself earlier because I do have 2015.5.1 installed at the moment.

So updating PS is in no way a solution to this.

I spent the rest of the day yesterday trying to persuade Photoshop to take this error away.

Did a couple of full reinstalls of all the Adobe programs that I have. Nothing helped.

Until I not only did another full reinstall but also cleaned the whole workstation using first Creative Cloud Clean-up Tool, then Revo Uninstaller and then CCleaner.

And manually deleted all the Adobe leftovers from the disc (common files and such)...

Well, this is fun. Not

But it finally let me continue my work peacefully. I stopped getting this disrupting message.

[Mohit Goyal]

We apologies for the inconvenience caused to you due to this error.

Thank you so much for the update.

Regards,

Mohit

[Jschaberg]

This seems to have worked for me.

Thanks.

[ms467]

This worked for me also.

[Premiopolis]

Got the same error.  I'm on Mac OS 10.11.16, Photoshop 2017

I tried multiple solutions

    - Clearing the presets as suggested above.

    - Preferences > Plug-Ins > Enable Generator (checked)

    - Load Extension Panels (checked)

    - Preferences > Plug-Ins > Alllow Extensions to Connect to the Internet (Checked)

    - Even tested using one of Davide Barranca's pre-built panels from https://github.com/undavide/PS-Panels-Boilerplate

So far no luck

Always getting the same results: "extension could not be loaded because it was not properly signed"

[agent_zultan]

I saw the video and I think this could be the solution to your problem.

https://www.youtube.com/watch?v=zJ9cCtxtvaY