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Known Participant
December 15, 2014
Question

I receive the message: "The extension could not be loaded because it was not properly signed."

  • December 15, 2014
  • 21 replies
  • 89624 views

When I try to open the Library in Photoshop, I receive the message: "The extension could not be loaded because it was not properly signed." It worked last week, but now I get this message and the Library is completely empty in Illustrator. My Library has stuff in it and I can see it on my iPad Apps.

21 replies

QobaX
Participant
May 5, 2016

This worked for me, go to "Adobe Photoshop CC 2015\Required\CEP\extensions" or "C:\Program Files\Common Files\Adobe\CEP\extensions\" and move or delete "com.photoshop.welcome" folder.

mattk79
Participating Frequently
May 5, 2016

I think it works! Amazing! Do you think this will work on the other apps too? What’s crazy is their is really no files in this folder, just a bunch of empty folders.

Participant
January 12, 2016

Try this:

mattk79
Participating Frequently
March 23, 2016

None of this crap works. I have updated PS to the latest release. They fixed the issue with CEPhtmlEngine eating up all my CPU power and max out my fans, now they have screwed up me being able to access my libraries. I've checked an unchecked all the boxes, restarted, etc, etc. and nothing. I'm not sure what they've done, but I don't get paid to fix their mess. In fact, I'm the one paying every month to get these so-called "update". Does anyone have an answer?!? I'm really sick of these idiot developers at Adobe messing stuff up.

kglad
Community Expert
Community Expert
April 7, 2016

if you're seeing a 'start' extension error,

go to the Preferences of Photoshop , then General Tab.

Uncheck the option for " Show Start Workspace".

Restart Photoshop

Participating Frequently
October 6, 2015

I  just downloaded this same plug-in Tony Kuyper TK4 and after playing around with one image for a few minutes that same error came up?? How do I go about getting a refund, I don't have time for this!!

Nancy OShea
Community Expert
Community Expert
October 6, 2015

Nobody here can help you with your 3rd party extensions.

You must contact the extension developers directly.

Nancy O.

Nancy O'Shea— Product User & Community Expert
Participant
October 11, 2015

that answer sound a bit rude....

Participant
May 10, 2015

i have same error!!! i tried everything, but cant fix it!! help

rayhuephoto
Participant
March 20, 2015

Try this

Cheer.

vinicius_xp
Participant
March 25, 2015

No idea why, but Enable Generator solved it for me on my Mac. Thanks rayhuephoto ! !!

Participant
January 29, 2015

Just sorted a fix for this after having the same problem.

Get Adobe Extension Manager, open and click Exchange button, then click 'Add-ons website' when it opens in your browser, click Photoshop, scroll down to 'Creative Cloud Libraries', click and install. It probably won't install, but no worries, just click on 'Where to find it' tab and click 'Download / Install your Add-on another way', then download the extension to your machine. Back to Extension Manager, click Install, navigate to the extension (probably in Downloads, unless you have another place for your downloads) and install it. Restart Photoshop and voilà! Worked for me.


Known Participant
January 29, 2015

The most recent Photoshop update fixed the issue for me; however, I still cannot open the Welcome Screen.

Known Participant
January 15, 2015

I have tried reinstalling Photoshop over my existing program -  did nothing but waste my time. I have all the updates installed correctly according to Adobe but when I look at my version of Photoshop it shows as being 2.1 instead of 2.2. I have installed the 2.2 version three times now; rebooted my machine and still I have the 2.1 version.  I am still receiving the error message that the extension could not be loaded because it was not properly signed. Is Adobe doing anything to address this issue?

Participating Frequently
January 14, 2015

I have the same problem on my iMac retina with yosemite and new install photoshop by Creative Cloud

First install.

Did you resolved it ?

Participant
December 17, 2014

I have same issue when I copy the extension of Mac to Windows (without installing zxp) ... in Mac doesnt appear the issue, but in Windows yes.. and I have to modify code in windows because the same extension that in Mac works correctly, in Windows has errors

station_two
Inspiring
December 15, 2014

To both posters:

BOILERPLATE TEXT:

Note that this is boilerplate text.

If you give complete and detailed information about your setup and the issue at hand,

such as your platform (Mac or Win),

exact versions of your OS, of Photoshop (not just "CS6", but something like CS6v.13.0.6) and of Bridge,

your settings in Photoshop > Preference > Performance

the type of file you were working on,

machine specs, such as total installed RAM, scratch file HDs, total available HD space, video card specs, including total VRAM installed,

what troubleshooting steps you have taken so far,

what error message(s) you receive,

if having issues opening raw files also the exact camera make and model that generated them,

if you're having printing issues, indicate the exact make and model of your printer, paper size, image dimensions in pixels (so many pixels wide by so many pixels high). if going through a RIP, specify that too.

etc.,

someone may be able to help you (not necessarily this poster, who is not a Windows user).

a screen shot of your settings or of the image could be very helpful too.

Please read this FAQ for advice on how to ask your questions correctly for quicker and better answers:

http://forums.adobe.com/thread/419981?tstart=0

Thanks!

Known Participant
December 16, 2014

I am working on a PC, using Photoshop CC 2014

Operating System:

Error Message:

Settings in Photoshop > Preference > Performance:

Type of file you were working on: No file; just opened up Photoshop to begin working

This is the first time this has happened - I have not doe any other troubleshooting.

Camera Raw does not apply here.

Thanks.

station_two
Inspiring
December 16, 2014

Thanks for elaborating, but…  even with a strong magnifying glass I keep on my desk, I cannot make out any of your extra-tiny miniature screen shots.