Lol @ darion's "solution". Don't announce something as a solution when you don't actually understand the problem people are having and your "solution" is just the realization that you weren't using your laptop properly. There aren't dozens of people here complaining about AE's pitiful UI because we all have laptops and forgot to set the CPU usage to 100%. I have been having this problem since after upgrading from 2014 years ago and there is no real solution to it, besides chastising AE's developers for being absolutely terrible at their jobs, and switching to Nuke. The problem, for me, is caused by the fact that I run AE over 3 monitors. If I switch to 2 the UI becomes more responsive, and if I switch to 1 it runs smoothly. So the only way that AE behaves is if I completely neuter my workstation. I have an extremely beefy machine (Dual 8 core CPUs, 128 gigs ram, 1080ti video card, etc)...and Adobe products are the only ones in my arsenal that lag like hell on it (and I use a lot of high performance animation/editing software). And when I talk about lag I'm not kidding........for example, if I click to expand a layer in my timeline, when I have a dozen or so tracks, I have to wait a full second for the layer to expand. Double that time if I have an audio track with an expanded/visible waveform (I've given up trying to edit audio in AE...it is a pure nightmare). Every other interaction takes roughly the same time as well (almost full seconds between a click and a UI response). I have updated drivers, I've updated to 2019, I've emailed support (no response of course), I've tried everything listed in this thread...no change. This is just pure incompetence on the part of the AE devs and one of the reasons myself and the others at my company are migrating to Nuke. AE used to be a dream to work in, now it is literal garbage. New AE releases used to be exciting to anticipate...the new features, the workflows, etc. Now with each release the only thing I check is whether or not the UI actually responds to clicks in a timely manner like every other piece of software in existence. 2018 failed that test and so has 2019. Good riddance, AE.
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