# Mac OS X **URL:** https://forums.negativelabpro.com/c/troubleshooting/mac-os-x/15.md [Latest](https://forums.negativelabpro.com/latest.md) · [Categories](https://forums.negativelabpro.com/categories.md) --- ## [About the Mac OS X category](https://forums.negativelabpro.com/t/about-the-mac-os-x-category/123)
**Author:** [@nate](https://forums.negativelabpro.com/u/nate)\ **Replies:** 0
For issues related to Mac OS X and Negative Lab Pro --- ## [NLP on Lightroom Classic on macOS "Golden Gate"](https://forums.negativelabpro.com/t/nlp-on-lightroom-classic-on-macos-golden-gate/10242)
**Author:** [@Digitizer](https://forums.negativelabpro.com/u/Digitizer)\ **Replies:** 2\ **Last updated:** [June 9, 2026, 8:40pm UTC](https://forums.negativelabpro.com/t/nlp-on-lightroom-classic-on-macos-golden-gate/10242 "2026-06-09T20:40:54Z")
macOS 27 aka “Golden Gate” has been announced, so I gave the developer beta a spin on a separate volume on a M1 MacBook Air. I converted one roll of negatives successfully with NLP 3.1.1 on Lightroom Classic 15.3.1. … --- ## [Where do i activate NLP in Lightroom on Mac?](https://forums.negativelabpro.com/t/where-do-i-activate-nlp-in-lightroom-on-mac/10077)
**Author:** [@Felix](https://forums.negativelabpro.com/u/Felix)\ **Replies:** 1\ **Last updated:** [March 10, 2026, 7:40pm UTC](https://forums.negativelabpro.com/t/where-do-i-activate-nlp-in-lightroom-on-mac/10077 "2026-03-10T19:40:45Z")
hello, i have activation issues with NLP in Lightroom on my mac. when i open my plug-in Manager i cant find, where i can enter the activation key. NLP is fully downloaded and a got Rosetta 2 installed on my MAC M1. T… --- ## [Using Negative Lab Pro on a shared computer](https://forums.negativelabpro.com/t/using-negative-lab-pro-on-a-shared-computer/10000)
**Author:** [@dhessel](https://forums.negativelabpro.com/u/dhessel)\ **Replies:** 1\ **Last updated:** [February 5, 2026, 12:04am UTC](https://forums.negativelabpro.com/t/using-negative-lab-pro-on-a-shared-computer/10000 "2026-02-05T00:04:44Z")
Hello! I’m wanting to deploy NLP to an iMac but was wondering if the license will work with multiple Adobe accounts? The computer in question is part of a film computer lab at a college, and students sign into Adobe pro… --- ## [Conversion not working](https://forums.negativelabpro.com/t/conversion-not-working/9746)
**Author:** [@nuno](https://forums.negativelabpro.com/u/nuno)\ **Replies:** 9\ **Last updated:** [November 5, 2025, 1:37pm UTC](https://forums.negativelabpro.com/t/conversion-not-working/9746 "2025-11-05T13:37:13Z")
Conversion is not working in Mac OS for me. This is the first time I have tried to use in Mac OS. NLP looks like it’s working and converting and then it lands on the start window again without converting the negatives a… --- ## [SOLVED: Settings dropdown menu empty](https://forums.negativelabpro.com/t/solved-settings-dropdown-menu-empty/8632)
**Author:** [@mduschak](https://forums.negativelabpro.com/u/mduschak)\ **Replies:** 1\ **Last updated:** [December 18, 2024, 2:59pm UTC](https://forums.negativelabpro.com/t/solved-settings-dropdown-menu-empty/8632 "2024-12-18T14:59:38Z")
New Mac Mini M4 Lightroom Classic 14.1.1 NLP v3 Installed without any errors. My issue is the settings dropdown menu is empty when editing an image. On the initial load, the settings dropdown selection is empty, not… --- ## [?:0: table index is nil](https://forums.negativelabpro.com/t/table-index-is-nil/8366)
**Author:** [@fiishkid](https://forums.negativelabpro.com/u/fiishkid)\ **Replies:** 3\ **Last updated:** [November 1, 2024, 9:14am UTC](https://forums.negativelabpro.com/t/table-index-is-nil/8366 "2024-11-01T09:14:12Z")
Totally new to NPL, using the trial of v3 and keep getting met with " internal error ?:0: table index is nil". I have tried rebooting, reinstalling, and down/updating versions my lightroom classic. Mac OS: 12.7.6 NLP: … --- ## [Having issues with the plugins](https://forums.negativelabpro.com/t/having-issues-with-the-plugins/8178)
**Author:** [@Cheshire](https://forums.negativelabpro.com/u/Cheshire)\ **Replies:** 4\ **Last updated:** [September 13, 2024, 8:14pm UTC](https://forums.negativelabpro.com/t/having-issues-with-the-plugins/8178 "2024-09-13T20:14:30Z")
Bought this software today but having issues which I can’t get my head around as saying it’s disabled in the plugins? Anyone know what the problem could be? Any help with this would be very much appreciated. Steven --- ## [Using NLP on both an older (OS12) Mac and a newer M1 (OS14 Mac](https://forums.negativelabpro.com/t/using-nlp-on-both-an-older-os12-mac-and-a-newer-m1-os14-mac/7941)
**Author:** [@LouKern](https://forums.negativelabpro.com/u/LouKern)\ **Replies:** 1\ **Last updated:** [June 25, 2024, 5:50am UTC](https://forums.negativelabpro.com/t/using-nlp-on-both-an-older-os12-mac-and-a-newer-m1-os14-mac/7941 "2024-06-25T05:50:12Z")
I am a one man studio and currently using my old Mac laptop as a designated scanner. If I purchase NLP can I use it on both computers? --- ## [Installation issue - Mac Sonoma](https://forums.negativelabpro.com/t/installation-issue-mac-sonoma/7104)
**Author:** [@msandman1943](https://forums.negativelabpro.com/u/msandman1943)\ **Replies:** 16\ **Last updated:** [June 17, 2024, 4:13pm UTC](https://forums.negativelabpro.com/t/installation-issue-mac-sonoma/7104 "2024-06-17T16:13:42Z")
MacBook Pro M1 Lightroom CC 13.0.1 Mac Ventura 14.1.1 Downloaded the installation file for Negative Pro 3.2 for Mac. Installation routine ran as it normally does Negative Lab Pro plugin not showing up in the Lightro… --- ## [Profile mismatch?](https://forums.negativelabpro.com/t/profile-mismatch/7167)
**Author:** [@Sam007](https://forums.negativelabpro.com/u/Sam007)\ **Replies:** 2\ **Last updated:** [December 7, 2023, 6:38pm UTC](https://forums.negativelabpro.com/t/profile-mismatch/7167 "2023-12-07T18:38:40Z")
I upgraded to V3, and decided to unconvert an image that was converted under V2, then convert it using V3. After unconverting, I selected the following settings: After conversation the image profile shows as Negative… --- ## [How to uninstall Negative Lab Pro](https://forums.negativelabpro.com/t/how-to-uninstall-negative-lab-pro/2472)
**Author:** [@alvin](https://forums.negativelabpro.com/u/alvin)\ **Replies:** 11\ **Last updated:** [August 19, 2023, 5:40am UTC](https://forums.negativelabpro.com/t/how-to-uninstall-negative-lab-pro/2472 "2023-08-19T05:40:22Z")
Negative Lab Pro didn’t fit my purpose, so I decided not to use it. I removed it in Plug-in Manager. However, “Negative Lab” still exists in Camera Calibration, Profile:. How can I remove it? --- ## [Profiles Missing](https://forums.negativelabpro.com/t/profiles-missing/4459)
**Author:** [@Matthew](https://forums.negativelabpro.com/u/Matthew)\ **Replies:** 2\ **Last updated:** [July 20, 2023, 10:39pm UTC](https://forums.negativelabpro.com/t/profiles-missing/4459 "2023-07-20T22:39:59Z")
Hi, I have the “missing profiles” issue, I’ve read through this forum, tried everything listed, but the only profiles available seem to be the standard LR profiles (color and monochrome, vintage, etc.), and I do not seem… --- ## [Installing on M1 Max with Ventura](https://forums.negativelabpro.com/t/installing-on-m1-max-with-ventura/5728)
**Author:** [@kaiyen](https://forums.negativelabpro.com/u/kaiyen)\ **Replies:** 2\ **Last updated:** [January 2, 2023, 4:03pm UTC](https://forums.negativelabpro.com/t/installing-on-m1-max-with-ventura/5728 "2023-01-02T16:03:14Z")
I am just trying to install NLP on an M1 Max MacBook Pro. The installation itself fails. It doesn’t trigger the Rosetta installer. I got the Rosetta installer via Terminal to work (though someone should note that the com… --- ## [Color balance consistency](https://forums.negativelabpro.com/t/color-balance-consistency/5683)
**Author:** [@analogpics](https://forums.negativelabpro.com/u/analogpics)\ **Replies:** 2\ **Last updated:** [December 21, 2022, 12:10pm UTC](https://forums.negativelabpro.com/t/color-balance-consistency/5683 "2022-12-21T12:10:40Z")
Hello, sorry if this has been discussed already, but i couldn’t find any other topics about this. I’ve had some great results from NLP, but I notice shot to shot, sometimes the color is really inconsistent. My setup is… --- ## [Utilisation de la version d'essai](https://forums.negativelabpro.com/t/utilisation-de-la-version-dessai/5376)
**Author:** [@Pierrot](https://forums.negativelabpro.com/u/Pierrot)\ **Replies:** 2\ **Last updated:** [October 17, 2022, 9:58am UTC](https://forums.negativelabpro.com/t/utilisation-de-la-version-dessai/5376 "2022-10-17T09:58:35Z")
Bonjour à tous, J’ai téléchargé “negative Lab Pro” pour essai il y a quelques mois. j’ai voulu l’ouvrir il y a quelques jours et rien ne se passe pourtant je n’ai pas utilisé la possibilité des 12 photographies. Y a t’… --- ## [Cannot get confirmation after i input license](https://forums.negativelabpro.com/t/cannot-get-confirmation-after-i-input-license/5163)
**Author:** [@f4r3ca](https://forums.negativelabpro.com/u/f4r3ca)\ **Replies:** 1\ **Last updated:** [August 1, 2022, 12:59pm UTC](https://forums.negativelabpro.com/t/cannot-get-confirmation-after-i-input-license/5163 "2022-08-01T12:59:25Z")
I am new user of NLP, after I input license code on my MAC, I cannot get confirmation of the new license, and NLP is still as trial mode, I wonder whether someone met same problem. --- ## [Oops! Something went wrong](https://forums.negativelabpro.com/t/oops-something-went-wrong/5129)
**Author:** [@hermeswu](https://forums.negativelabpro.com/u/hermeswu)\ **Replies:** 1\ **Last updated:** [July 13, 2022, 7:34pm UTC](https://forums.negativelabpro.com/t/oops-something-went-wrong/5129 "2022-07-13T19:34:13Z")
Oops! Something went wrong… … as we were trying to run the AutoColor 2.0 script. Error Message: sh: /Users/hermeswu/Plugins/NegativeLabPro\_2.3.0/NegativeLabPro.lrplugin/mac/magick: Permission denied Exit Status: 3225… --- ## [I can't open Negative Lab Pro](https://forums.negativelabpro.com/t/i-cant-open-negative-lab-pro/5058)
**Author:** [@Jorge1112](https://forums.negativelabpro.com/u/Jorge1112)\ **Replies:** 0\ **Last updated:** [June 12, 2022, 10:35pm UTC](https://forums.negativelabpro.com/t/i-cant-open-negative-lab-pro/5058 "2022-06-12T22:35:04Z")
Hi, I recently just upgraded my laptop into a Macbook Pro and I decided to start scanning my films so I got Negative Lab Pro. I followed the instructions for download for Mac and everything worked just fine. I also recen… --- ## [Installation Issues](https://forums.negativelabpro.com/t/installation-issues/1633)
**Author:** [@hannahgarrett](https://forums.negativelabpro.com/u/hannahgarrett)\ **Replies:** 2\ **Last updated:** [February 25, 2022, 6:28pm UTC](https://forums.negativelabpro.com/t/installation-issues/1633 "2022-02-25T18:28:02Z")
I’ve been very eager to try out NLP with my new scanner, however, I haven’t even been able to get the trial to work in Lightroom. When I’m in the plug-in manager window in Lightroom, it says the NLP plug-in is installed … --- ## [Where does NLP2 folder with .xmp files belong?](https://forums.negativelabpro.com/t/where-does-nlp2-folder-with-xmp-files-belong/4589)
**Author:** [@Lancedboyle](https://forums.negativelabpro.com/u/Lancedboyle)\ **Replies:** 1\ **Last updated:** [January 24, 2022, 10:37pm UTC](https://forums.negativelabpro.com/t/where-does-nlp2-folder-with-xmp-files-belong/4589 "2022-01-24T22:37:44Z")
I screwed up. I found a folder called NLP2 on my hard drive and stupidly put it in the trash. An hour or so later I checked my trash before I was going to empty it and looked in the folder and saw the .xmp files and re… --- ## [Problem with activating NLP in Lightroom](https://forums.negativelabpro.com/t/problem-with-activating-nlp-in-lightroom/4448)
**Author:** [@borzoi-master](https://forums.negativelabpro.com/u/borzoi-master)\ **Replies:** 6\ **Last updated:** [January 24, 2022, 7:23pm UTC](https://forums.negativelabpro.com/t/problem-with-activating-nlp-in-lightroom/4448 "2022-01-24T19:23:57Z")
I have been using NLP with Lightroom Classic for a while and love it. Today, I was editing a DSLR captured film negative and all was well. I decided to redo changes to one photo so I hit the reset button and the image re… --- ## [NLP looking for file to convert that no longer exists](https://forums.negativelabpro.com/t/nlp-looking-for-file-to-convert-that-no-longer-exists/3840)
**Author:** [@Photobug](https://forums.negativelabpro.com/u/Photobug)\ **Replies:** 0\ **Last updated:** [June 19, 2021, 2:07am UTC](https://forums.negativelabpro.com/t/nlp-looking-for-file-to-convert-that-no-longer-exists/3840 "2021-06-19T02:07:38Z")
I’m getting an error where NLP is trying to look for a photo that no longer exists when I try to convert something in LightroomClassic. I get the following error: ERROR: Could not access original photo for analysis. Ph… --- ## [Same scan, Same setting, Different result?](https://forums.negativelabpro.com/t/same-scan-same-setting-different-result/2705)
**Author:** [@lshuhan](https://forums.negativelabpro.com/u/lshuhan)\ **Replies:** 4\ **Last updated:** [October 18, 2020, 12:23am UTC](https://forums.negativelabpro.com/t/same-scan-same-setting-different-result/2705 "2020-10-18T00:23:10Z")
HELP needed :joy: I was recently migrating from Windows to Mac, however when I was testing a same scan on Mac OS which I had converted on my Windows system, it has an unpleasant magenta cast with exactly same setting. A… --- ## [NLP 2.1.7 Beta - Un-Covert LR Issue](https://forums.negativelabpro.com/t/nlp-2-1-7-beta-un-covert-lr-issue/2186)
**Author:** [@wellcome86](https://forums.negativelabpro.com/u/wellcome86)\ **Replies:** 0\ **Last updated:** [July 27, 2020, 7:03am UTC](https://forums.negativelabpro.com/t/nlp-2-1-7-beta-un-covert-lr-issue/2186 "2020-07-27T07:03:18Z")
Hi there, I have an issue with the function undo the convert or reset the picture. I have installed the beta color management MXF files too. LR say: ?:0: attempt to index global ‘defaultRawSettings’ (a nil value) LR … --- ## [Error message trying to install](https://forums.negativelabpro.com/t/error-message-trying-to-install/1809)
**Author:** [@JoshW](https://forums.negativelabpro.com/u/JoshW)\ **Replies:** 1\ **Last updated:** [July 10, 2020, 2:28pm UTC](https://forums.negativelabpro.com/t/error-message-trying-to-install/1809 "2020-07-10T14:28:12Z")
I get this error message when trying to install the software on my hard drive. and my computer won’t install. Is there a solution? “NegativeLabPro-OSX-2.1.2” cannot be opened because the developer cannot be verified. --- ## [Updating all software for NLP](https://forums.negativelabpro.com/t/updating-all-software-for-nlp/1052)
**Author:** [@allenying](https://forums.negativelabpro.com/u/allenying)\ **Replies:** 4\ **Last updated:** [December 24, 2019, 10:13pm UTC](https://forums.negativelabpro.com/t/updating-all-software-for-nlp/1052 "2019-12-24T22:13:12Z")
so the main reason i’m considering doing digital camera scanning is because the pro lab i use is underdeveloping my tmax 3200, and the 2nd pro lab charges more, and is further away, which all just makes it not worth payi… --- ## [Missing B/W profile on Lightroom mobile or web](https://forums.negativelabpro.com/t/missing-b-w-profile-on-lightroom-mobile-or-web/571)
**Author:** [@hofes](https://forums.negativelabpro.com/u/hofes)\ **Replies:** 1\ **Last updated:** [August 31, 2019, 10:05am UTC](https://forums.negativelabpro.com/t/missing-b-w-profile-on-lightroom-mobile-or-web/571 "2019-08-31T10:05:57Z")
Congratulations to such a great solution for negative conversions!!! I startet to use Lightroom Classic again only because of the NLP plugin. Now I have a little problem with black&white Negatives: The profile “Negative … --- ## [Negative.lua:667: attempt to index local 'ppm' (a nil value)](https://forums.negativelabpro.com/t/negative-lua-attempt-to-index-local-ppm-a-nil-value/452)
**Author:** [@edipofederle](https://forums.negativelabpro.com/u/edipofederle)\ **Replies:** 1\ **Last updated:** [August 16, 2019, 1:05am UTC](https://forums.negativelabpro.com/t/negative-lua-attempt-to-index-local-ppm-a-nil-value/452 "2019-08-16T01:05:54Z")
Hey guys, I continue to see this error when trying to convert. I already move the plugin to a different folder (all with permissions), also try different images, so it happens with all. Any tip here? Version: 1.2 OS:…