I am having this same issue. I recently built a brand new machine and was looking forward to using the latest CC apps after working on a Sony Vaio laptop for many years. Honestly, Illustrator CS6 was faster on it. And it was from 2011. Illustrator CC slows down to a hault so it becomes unusable after around an hour. Not to mention it becomes so incredibly laggy. I built this machine for graphics design and video. I have: Processor Intel(R) Core(TM) i7-6800K CPU @ 3.40GHz, 3401 Mhz, 6 Core(s), 12 Logical Processor(s 32GB of RAM Geforce 980ti Classified Edition - 6GB GDDR5 Windows 10 Enterprise edition Not only is it incredibly laggy, but it slows down my entire system. To the point I thought something was wrong with it. No - as soon as I quit out of Illustrator it speeds through everything with no issues whatsoever. I don't want all this my library rubbish - just give us an app that we can work with Honestly, this release of Illustrator is the worst I have ever seen.
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