Photoshop CC: Lengthy delay following changing a color before being able to do anything else. Why and how do I resolve?

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  • Updated 3 years ago
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When working for some time in Photoshop CC, the program begins to develop a delay between choosing a new color and doing anything else. It usually takes about 10-15 minutes from start-up before the problem presents, so my only solution so far has been to shut down PSCC and restart it.

This wasn't happening with previous versions of PS, so I'm not sure what is causing this, but given that I'm a comic book colorist, you can see how quickly this can get frustrating. Has anyone else run across this? I've GOT to get this fixed and I haven't seen anything related to it yet. Please help!
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Ross Hughes

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Posted 3 years ago

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Chris Cox

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Which specific version of Photoshop are you using?
Which OS version are you using?
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Ross Hughes

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Chris,

You probably don't remember me, but I was a board member on Gutterzombie, and I was just thinking "Where is Chris Cox when I need him?" before I posted this. LOL

Here is my version and OS info. I just got done with a chat session where it was suggested that I delete my temporary files. I'm getting back into working right now, so I should hopefully know in the next hour or so whether that was the proper solution.

Adobe Photoshop Version: 2015.0.1 20150722.r.168 2015/07/22:23:59:59 CL 1032107 x64
Operating System: Windows 7 64-bit
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Chris Cox

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Photoshop doesn't store much in the temp folder, just smart object files being edited. Clearing the temp folder wouldn't do a thing for Photoshop, and could mess up the function of other applications.

From the system info log: you don't have any third party plugins, or third party extension panels. The video driver is fairly up to date, and seems to be working.

If you have the creative cloud libraries panel open, try closing it.

In Photoshop's preferences, under "PlugIns", make sure Generator is off (since I don't recall you doing web design).
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Ross Hughes

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CC isn't open, and Enable Generator was already unchecked. :(
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Chris Cox

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OK, I'm running out of ideas of why changing a color could have a delay...

Are you choosing the color from the canvas (alt click), or elsewhere?
If you are using alt click, could something else on your system be set to use the alt click for something (and thus cause a delay in event handling) ?
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Ross Hughes

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That's one of the methods, but it does the same thing when I just select from a swatch, open the color picker, or select from the spectrum. Anytime the color changes, it has kind of a drag before the tool starts to work. It kind of builds up to it too. When I first start PS, there's nothing, it works perfectly and there's no delay. About 10-15 minutes in and I start to notice a delay. If I let it go and keep working the delay gets a little longer and a little longer. I shut PS down and restart it and it basically resets the clock.
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Ross Hughes

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As far as I know, nothing else should be using Alt Click. I'm on a fairly new PC and don't use it for much other than work, so it's basically got PS, Office, and Manga Studio as my main programs. I know I haven't assigned Alt Click specifically for anything anywhere.
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Jeffrey Tranberry, Sr. Product Manager, Digital Imaging

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Is the Libraries panel shown? If you close the Libraries panel, restart the computer and relaunch Photoshop, do you still have the issue?
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Ross Hughes

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No, I don't have the Libraries panel active. Here's a screen cap of my workspace.
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Ross Hughes

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I THINK I may have figured out what is causing the delay build-up. I tried shutting off the RECENT COLORS option on the Swatches panel and it so far I haven't experienced the build-up in lag. I'm guessing that PS is remembering more colors in the background than is being displayed on that row in the panel. Hopefully (if that's what it is) that's something that could be easily corrected because that feature is really great and it would be a shame to have to leave it turned off. I'll be working more with it this weekend and if there's no delay build-up, then I'll know for sure that that was the cause.
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Chris Cox

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I haven't been able to reproduce a slowdown yet.

I checked the code - we're only keeping a maximum of 16 colors in the MRU list.
And all the operations we do with the list are pretty minimal. So I don't see anything obvious about the color MRU list that would cause a slowdown.

If that is the cause, we'll have to delve into windows resource issues and other fun to debug potential causes.
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Ross Hughes

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It's definitely stemming from the Recent Colors feature. I've been working for a couple of hours now with the Recent Colors feature turned off and I'm only now noticing a slight lag, but it's like half a second. So I turned the feature back on and it took several seconds to even bring up the swatches. When I changed colors it was back to a 2-3 second lag. I turned the feature back off and it took a couple of seconds to turn it off and then it was back to barely noticeable when I changed colors.

I noticed that even with the Recent Colors turned off it was still remembering the recent colors. When I turned the feature back on, it populated that row of swatches with my most recent color selections rather than starting with an empty list. So that might explain the slight build up of lag I'm noticing even without the feature turned on.
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Chris Cox

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OK, I'm starting to think that there may be a windows specific problem - possibly with the way the swatches are updated or drawn (because the MRU list implementation is really clean). Yes, it still remembers recent colors even if they aren't being shown - that part takes next to no time, but it seems that redrawing the list takes too much time.
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Ross Hughes

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Is there something I need to do on my end?
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Chris Cox

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No, it's something we'll have to investigate on our end.
I'll let you know if we need more information.