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Illustrator unusably slow and laggy

New Here ,
Jun 14, 2018

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Some time in the last year, Illustrator (which previously worked just fine) has become unusably slow and laggy on my 2011 iMac. Anyone out there have solutions or work-arounds?

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Correct answer by gogfox | Community Beginner

I had the same problem in Illustrator CC 2018 22.1 and MacOS High Sierra 10.13.6.

I have a MacBook Pro 15 inch (2017), Intel i7 2.8 GHz, 16 GB RAM, Radeon Pro 555 2048 MB RAM.

I tried to reinstall without retaining preferences. I tried resetting preferences. Nothing worked.

Strangely enough, for me the solution was disabling the dictation feature of MacOS: Illustrator returned fast.

To confirm this, I tried to re-enable the dictation feature in System Preferences -> Keyboard -> Dictation: Illustrator

became laggy again.

UPDATE: I also found that the bug is known and reported on UserVoice. Here's the link:

Click and touch release problems Illustrator CC 2018 Mac High Sierra - cause dictation software – Adobe Illustrator Feed…

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Illustrator unusably slow and laggy

New Here ,
Jun 14, 2018

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Some time in the last year, Illustrator (which previously worked just fine) has become unusably slow and laggy on my 2011 iMac. Anyone out there have solutions or work-arounds?

Community Beginner
Correct answer by gogfox | Community Beginner

I had the same problem in Illustrator CC 2018 22.1 and MacOS High Sierra 10.13.6.

I have a MacBook Pro 15 inch (2017), Intel i7 2.8 GHz, 16 GB RAM, Radeon Pro 555 2048 MB RAM.

I tried to reinstall without retaining preferences. I tried resetting preferences. Nothing worked.

Strangely enough, for me the solution was disabling the dictation feature of MacOS: Illustrator returned fast.

To confirm this, I tried to re-enable the dictation feature in System Preferences -> Keyboard -> Dictation: Illustrator

became laggy again.

UPDATE: I also found that the bug is known and reported on UserVoice. Here's the link:

Click and touch release problems Illustrator CC 2018 Mac High Sierra - cause dictation software – Adobe Illustrator Feed…

TOPICS
Performance

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38.6K

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Jun 14, 2018 5
Adobe Community Professional ,
Jun 14, 2018

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I'm on a 2011 iMac, 36GB RAM, OS X 10.11.6

I have given up using CC 2018. CC2015.3 still seems to work adequately (I never downloaded 2017). I've stayed with OS X 10.11.6 so I can still use AI CS5 which is MUCH more reliable and snappy than any of the AI CC iterations and has features that were lost in subsequent versions. The only issue I have with CS5, since updating to El Capitan is that it reports a "crash" any time I close the program. It saves and works fine though.

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Jun 14, 2018 0
Adobe Community Professional ,
Jun 15, 2018

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What version of Illustrator and what version of the Mac OS are you using? Also what version of the Mac OS did your iMac come with?

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Jun 15, 2018 1
New Here ,
Jun 25, 2018

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Bill, thanks for your questions. I've recently tried versions of Illustrator from CS6 all the way up to the most recent version, with identical results. I'm currently running MasOS10.13.6 Beta (High Sierra), but this problem has been occuring for some time, predating that Beta install. I don't recall the original version of the OS installed on the computer, but whatever was current in mid-2011. Lion, maybe?

Qualitatively, the experience of using Illustrator, it is as though the cursor is selecting and deselecting semi-at random (I assume this results from extensive lag). The upshot is that it is essentially impossible to select or manipulate anything in my files or in the toolbars, and a maddening experience, to boot.

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Jun 25, 2018 0
Adobe Community Professional ,
Jun 25, 2018

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It is quite possible that your 2011 Mac is just too old to be running High Sierra efficiently. I had a similar situation with an old iMac that kept getting slower and slower as I updated it to later versions of the Mac OS.

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Jun 25, 2018 1
Community Beginner ,
Jun 27, 2018

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I have the latest Sierra and Adobe CC running on a 2013 Macbook Pro. What worked for me was closing Photoshop while using Illustrator.

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Jun 27, 2018 1
Adobe Community Professional ,
Jun 27, 2018

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I am having issues with Illustrator too.  It is not that is slow or laggy…. but sometimes it freezes.  Now this is happening on my one device.  I have yet to try it on the other device.

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Jun 27, 2018 0
Explorer ,
Jun 27, 2018

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I too have been having major issues with painfully slow open times, or illustrator not responding at all. It's common for me to experience 3-4 minute open times for 16-38mb illustrator docs.

I'm on a 2017 MBP (2.9 GHZ, 16GB) running High Sierra so this seems pretty ridiculous.

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Jun 27, 2018 0
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