I am having issues with masking since updating to latest version of LR classic (15.2.1)

Forum|Forum|25 days ago
April 1, 2026
3 replies
77 views

When I click on some of the masking tools such as sky or background, LR appears to start working on it, blue circle spins, but then it just stops and doesn’t mask anything. Brush masking seems to be OK. I have updated my Graphics drivers to latest version as well (NVidia GeForce 2070 Super) but this hasn’t made a difference. Sometimes, restarting LRC will sort it, other times, I have to fully reboot my PC. This has never been an issue before prior to installing latest LRC. Happens quite frequently. Thanks.

defaultycmlka18a6jg

Participant

Similar issue LR Classic Ver. 15.3(installed 6 days ago) NVIDIA Studio Driver Ver. 595.79(released March 10, 2026), Windows 11 Ver. 10.0.26200, HNG ASUS ProArt P16 I have to restart my computer or restart LR or uninstall and reinstall my studio graphics driver repeatedly or turn GPU acceleration off completely to get any of my ai masking to work. The same goes if I try to sync any changes to an ai mask across a gallery. Even if I’m only syncing to just ONE image. It has seriously slowed down my workflow and is a bit frustrating to have to troubleshoot this for a couple hours every morning after I think I’ve finally gotten it fixed and the issue reappears, or even mid session while editing and I have to stop and tinker with my computer again and pray that the fix lasts.

defaultycmlka18a6jg

Participant

It fails to recognize people, or if it does recognize/have the ability to ai mask, when I sync, it starts loading but then at the end gives me an error window with a list of files and says: “Failed to apply adjustments to the following photos. An Unexpected error occurred while processing.”

johnrellis

Legend

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@defaultycmlka18a6jg LR Classic Ver. 15.3(installed 6 days ago) NVIDIA Studio Driver Ver. 595.79(released March 10, 2026),

To get work done:

1. Very infrequently, people have found that rolling back to a previous Nvidia Studio driver from a few months ago avoids some incompatibility or bug between the GPU and LR. See this previous reply for a little more detail.

2. If that doesn’t help, try rolling back to LR 15.2.1.

If either one of those helps, it’s not proof that there’s a bug in the driver or in LR. Just because LR 15.3 triggers the problem but (say) 15.2.1 doesn’t, doesn’t indicate a bug in 15.3 -- it could well be that that the changed code in 15.3 is tripping over an existing driver bug.

johnrellis

Legend

You’ve currently got the latest Nvidia Studio driver. Try an older driver from several months ago, say from Dec 4:

https://www.nvidia.com/en-us/drivers/details/258748/

When installing it, be sure to check the “clean install” option.

Nvidia’s pretty good about not introducing new bugs in recent drivers for particular GPUs, but it does happen infrequently, so worth checking.

dj_paige

Legend

Please be kind enough to tell us the version NUMBER of your GPU driver. Words like “latest” really are not helpful.

Also, when this happens, are there many masks on a photo? If so, how many? Or does this even happen when you do the first mask on the photo?

G

grahamt8711232Author

Participant

Thanks for the response, my NVidia driver version is 595.79 (Mar 2026) This was happening on my previous driver version though, I updated it to see if that resolved the issue. The issue started after installing LRC 15.2.1. It happens even on the first mask, so new picture with no edits, click masking - background, it comes up with the ‘Detecting’ box briefly, then just disappears. Thanks.

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