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I am having this error whenever I am trying to open illustrator "The operation cannot complete because of an unknown error [CANT]" and then after clicking ok in the error when illustrator opens I don't have any tools or essentials.
Check this screenshots for better understanding: https://imgur.com/a/nPkUncy
Help me please :'(
Please try steps mentioned at folloing thread
If it doesn't resolve your problem, please share which version of Illustrator, what Operating sytem are you using?
Thanks for replying @charu
The problem is fixed somehow. Now I don't have any issue with adobe illustrator.
Hello, I just got a Windows Surface Pro. I've opened Illustrator several times without any issue. Last night a Windows update installed, and today I'm unable to get Illustrstor to open. The application freezes during loading and crashes. I got an error that said the operation could not be completed due to an unknown error, and I've also had an error with a long list of plugins that are not loading. I have already tried uninstalling/re-installing Illustrator, and I've renamed the extensions file to ''extensions_old' but that has not solved the issue. I'm running version 25.3.1 on Windows 10 Home. The only change to my system has been the Windows update last night. I've had this tablet for less than a week. Photoshop launches without issue, the problem is just with Illustrator.