How to uninstall an extension panel in Photoshop CC 2019

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  • Updated 4 weeks ago
I uninstalled ON1 but it left behind an extension panel which is now empty.

How to delete the extension listing and panel?

Working on a Mac OS 10.13.4 and Photoshop 20.0.

Cheers!
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Henry Gordillo

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Posted 4 weeks ago

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Cristen Gillespie

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Interesting. I have the extension, too. I've never used it. I can find all kinds of bits for On1 floating around since I first started using it, even after having deleted a lot manually. It does seem to leave a lot of debris. But I can't find anything I'd be certain was this extension panel. All it's ever done here is say "Focused on Photography. Refresh doesn't. Have you tried their forum? I'm curious now myself, having successfully ignored it for however long it's been there. <g>

Okay, here's what I can find:

We have discontinued the ON1 Panel in Adobe Photoshop since Adobe has dropped support for the Adobe Extensions Manager. The Photo RAW 2017 plugins will not populate within the ON1 Panel in Adobe Photoshop. This is normal behavior. If you have the Photo 10.5 plugins installed and working in the ON1 Panel, you will be able to continue using the Photo 10.5 plugins this way, but there is no way to get the Photo RAW 2017 plugins to appear in the ON1 Panel.

So from this, I'm guessing one has to remove all reference to 10? On1's Knowledge base isn't willing to part with where they deposited this gem I never used.
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Cristen Gillespie

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Okay, looked around some more. I still have a Remove On1 10 uninstaller app in my OS drive  Library (not System, not the user Library). I haven't tried it out, but it may let me get rid of the rest of the traces of On1 10 from each of my computers. Just a suggestion for you.
(Edited)
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Henry Gordillo

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Hi Cristen!

Thanks for the helpful and extensive reply. I did use On1's uninstaller and also AppZapper. They got rid of a lot of debris, but I still had to go in and remove more traces by hand.

The extension still persists in PS as an untidy shard from the past.

I did read the On1 forum advice which leaves the situation hanging. Now that they don't use the panel is it just a perpetual artifact?

I also looked at Jeffrey Tranberry's response from 4 years ago, but the architecture of PS has changed and does not allow his solution.


Hoping someone from Adobe gets interested and comes up with the cure.

Cheers!


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Cristen Gillespie

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Thanks for making the effort. I guess I'll just leave it as ignored as it was and watch this hoping we can find out what it is to take off our drives. I'm obviously not going back to On1 10, so you'd think they'd let us know, but maybe Jeffry can find out—in all that spare time he surely has now that MAX is over. <BG>
(Edited)
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Henry Gordillo

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Here's hoping.

In the meantime, I removed more ON1 preferences (plists) from ~/Library/Preferences, but the extension persists.

My solution now is to Look away and ignore it.

Many thanks.