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"The operation cannot complete because of an unknown error"

New Here ,
Aug 23, 2020 Aug 23, 2020

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Hey everyone, after updating to the newest version of Illustrator, I can't work with it anymore. As soon as I click on it, it loads as usual, but then it shows me this "The operation cannot complete because of an unknown error" message. After I click "Okay", Illustrator opens, but it doesn't show anything besides the menu and I can't even open a new file or anything else, which means I can't use it anymore. Please help. 

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Adobe Community Professional , Aug 23, 2020 Aug 23, 2020
Hi, I was also facing the same problem, but it was fixed by renaming the folder. Please follow following steps Go to following locations and rename "extentions" to "extensions_old" Windows:  Program files /common files /Adobe /UXP /extensions MAC: /library > application support > Adobe > UXP > extensions. I hope this works for you as well.

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Adobe Community Professional ,
Aug 23, 2020 Aug 23, 2020

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Hi. Does your system meet the minimum requirements? If you could share some of your specs it would help us to diagnose the problem. Things we'd need to know include: Operating system (and specific version), Type of machine, amount of installed RAM, type of graphics card. 🙂

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Adobe Community Professional ,
Aug 23, 2020 Aug 23, 2020

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You can find the minimum requirements here:

https://helpx.adobe.com/illustrator/system-requirements.html

 

If you meet the minimum requirements, then your prefs may have become corrupted. You can reset them following here:
https://community.adobe.com/t5/illustrator/how-to-reset-illustrator-preferences/td-p/10602277?page=1

 

Also restart your computer and make sure the Adobe Cloud is up and running. That can clear up corruption in the cache.

 

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New Here ,
Aug 23, 2020 Aug 23, 2020

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The same with me, nothing helps. * Illustrator 24.2.3

Reset preferens, competently wipe with AdobeCreativeCloudCleanerTool, error is always repeated.

For me, the error is in the previous  versions as well.

 

HP ZBook 17 G5

Win 10 Pro  2004 (10.0.19041)

NVIDIA Quadro P4200 - driver ver. 452.06

32 GB RAM

Maybe it can help: in      C:\Users\xxxxxxAppData\Roaming\Adobe\Adobe Illustrator 24 Settings\en_US\x64         

24.2.3.CrashModule\  Fault:  AIUXPExtensionHostAPI.dll

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Adobe Community Professional ,
Aug 23, 2020 Aug 23, 2020

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Hi,
I was also facing the same problem, but it was fixed by renaming the folder. Please follow following steps

 

Go to following locations and rename "extentions" to "extensions_old"
Windows:  Program files /common files /Adobe /UXP /extensions
MAC: /library > application support > Adobe > UXP > extensions.

 

I hope this works for you as well.

Best regards

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New Here ,
Aug 23, 2020 Aug 23, 2020

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Yes it works, thank you so much for your help.

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New Here ,
Aug 24, 2020 Aug 24, 2020

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Thank you so much, sir. It really worked this way.

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Participant ,
Oct 20, 2020 Oct 20, 2020

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OMG! You can't imagine how long I was dealing with this trouble. Even the Adobe Support had declined haha, they said the only solution was to use an older version of Illustrator.

 

This worked perfectly.

Thank you so much! 😄

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New Here ,
Jan 01, 2021 Jan 01, 2021

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I would like to award you the highest honor I can bestow.

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New Here ,
May 10, 2021 May 10, 2021

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It's works...... nice tips

 

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New Here ,
Nov 12, 2020 Nov 12, 2020

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Thank you for your advice, I tried many ways, including re-install software about 4 times and finally your solution worked for me. Thank you again.

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New Here ,
Dec 10, 2020 Dec 10, 2020

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Hello i got the same problem. But i had to download Microsoft Visual C++ from 2008 to 2017, after that i restarted my computer and now it fully working.

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New Here ,
Dec 29, 2020 Dec 29, 2020

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your solution worked fine thank you i appreciate your help.

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New Here ,
Feb 01, 2021 Feb 01, 2021

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Thank you so much. your article help me. 

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New Here ,
Jul 16, 2021 Jul 16, 2021

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Just for anyone else who still needs a solution - your canvas size might also be too large.
If you can, make it as small as you can afford to.

I tried all the suggestions here, then changed my canvas size and making it smaller fixed the issue for me

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New Here ,
Aug 09, 2021 Aug 09, 2021

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LATEST

Configuration: iMacPro (2017) running macOS Big Sur v11.5. Illustrator v. 25.3.1.

I created an illustraton that I need to rotate/revolve as a group. The moment I hit either the Revolve or Rotate command, I get the error "The operation cannot complete because of an unknown error.[CANT]. I press OK and i get the 3D revolve spec window. With Preview clicked, the moment I try to change any properties, the error reemerges. My artboard is only about 15" x 12". Changing the size doesn't seem to do anything even if i make it 1 x 1.  

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