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Lightroom Classic has been failing to apply Denoise

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Hi, my LrC has been failing to complete Denoise on photos this month, and I am looking for solutions. It’s been a great tool for years, and I am unsure where the problem stems from.

When I click the Denoise button in Develop module it seems to start working like it used to, but when the pop-up window is gone the button stays unticked even if I press it (it just goes back unticked immediately)

The system info from LrC

Lightroom Classic version: 14.5.2 [ 202601141538-bad3ef80 ]
License: Creative Cloud
Language setting: en-AU
Operating system: Mac OS 13
Version: 13.7.8 [22H730]
Application architecture: x64
Logical processor count: 8
Processor speed: 2.8GHz
SqLite Version: 3.36.0
Power Source: Plugged In, 58%, Charging
Built-in memory: 16,384.0 MB
Dedicated GPU memory used by Lightroom: 758.1MB / 2,048.0MB (37%)
Real memory available to Lightroom: 16,384.0 MB
Real memory used by Lightroom: 1,280.5 MB (7.8%)
Virtual memory used by Lightroom: 42,896.3 MB
Memory cache size: 192.8MB
Internal Camera Raw version: 17.5 [ 2318 ]
Maximum thread count used by Camera Raw: 5
Camera Raw SIMD optimization: SSE2,AVX,AVX2
Camera Raw virtual memory: 367MB / 8191MB (4%)
Camera Raw real memory: 455MB / 16384MB (2%)

Cache1:
Final1- RAM:302.0MB, VRAM:105.0MB, A9_00289.ARW
NT- RAM:302.0MB, VRAM:105.0MB, Combined:407.0MB

Cache2:
m:192.8MB, n:189.4MB

U-main: 94.0MB

Standard Preview Size: 3360 pixels
Displays: 1) 3360x2100, 2) 1600x900

Graphics Processor Info:
Metal: AMD Radeon Pro 555
Init State: GPU for Display supported by default with image processing and export supported in the custom mode
User Preference: GPU for Image Processing Enabled
Enable HDR in Library: ON
GPU for Preview Generation: Auto (S4_2)

Application folder: /Applications/Adobe Lightroom Classic
Library Path: /Volumes/NINJA2/Charlene's wedding/Charlene's wedding/Charlene's wedding.lrcat
Settings Folder: /Users/yostan/Library/Application Support/Adobe/Lightroom

Installed Plugins:
1) AdobeStock
2) Aperture/iPhoto Importer Plug-in
3) FireCull
4) Flickr

Config.lua flags:

My MacBook Pro is 15-inch 2017.

I can’t determine the cause, so any advice or suggestion is welcome. Thanks

Y

yosuket47961228Correct answer

Inspiring

Update; It has started working like a magic again after deleting ModelZoo in CameraRaw folder in Library. AI did a great job providing the solution.

JohanElzenga

Community Expert

Your GPU is AMD Radeon Pro 555. There is a known issue with buggy drivers in MacOS for the Radeon series on Intel Macs. As Intel Macs are no longer supported by Apple, it is unlikely that this will get fixed. Downgrading might be your only option (apart from getting a new computer). You can try this:

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-- Johan W. Elzenga

Y

yosuket47961228Author

Inspiring

Noted. My laptop is definitely becoming obsolete in performance and support. LrC takes time to load my images, which disrupts my workflow. At one point I think I need to get a high-performance machine for Adobe apps, but my budget is pretty tight atm.🙁

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J

john_animalphoto

Participant

Lightroom Classic version: 14.5.1 1 202508231203-c2638d01 ]
License: Creative Cloud
Language setting: cs-CZ
Operating system: Mac OS 13
Version: 13.7.8 122H730]
Application architecture: x64
Logical processor count: 8
Processor speed: 2,8GHz
SqLite Version: 3.36.0
Power Source: Battery, 16%
Built-in memory: 16 384,0 MB
Dedicated GPU memory used by Lightroom: 4 385,6MB / 2 048,0MB (214%)
Real memory available to Lightroom: 16 384,0 MB
Real memory used by Lightroom: 3 360,3 MB (20,5%)
Virtual memory used by Lightroom: 43 854,9 MB
Memory cache size: 1 673,0MB
Internal Camera Raw version: 17.5 v 2318 ]
Maximum thread count used by Camera Raw: 5
Camera Raw SIMD optimization: SSE2,AVX,AVX2
Camera Raw virtual memory: 225MB / 8191MB (2%)
Camera Raw real memory: 344MB / 16384MB (2%)

Cache1:
Final1- RAM:208,0MB, VRAM:32,0MB, _93A2351.CR3
NT- RAM:208,0MB, VRAM:32,0MB, Combined:240,0MB

Cache2:
m:1 673,0MB, n:188,8MB

U-main: 137,0MB

Standard Preview Size: 3360 pixels
Displays: 1) 3360x2100

Graphics Processor Info:
Metal: AMD Radeon Pro 555
Init State: GPU for Display supported by default with image processing and export supported in the custom mode
User Preference: GPU for Export enabled
Enable HDR in Library: OFF
GPU for Preview Generation: On (S4_2)

Application folder: /Applications/Adobe Lightroom Classic
Library Path: /Volumes/KINGSTON/zoo catalog/untitled folder/zoo catalog26/zoo catalog26.lrcat
Settings Folder: /Users/mp/Library/Application Support/Adobe/Lightroom

Installed Plugins:
1) AdobeStock
2) Aperture/iPhoto Importer Plug-in
3) Flickr

Config.lua flags:

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Y

yosuket47961228AuthorCorrect answer

Inspiring

Update; It has started working like a magic again after deleting ModelZoo in CameraRaw folder in Library. AI did a great job providing the solution.

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JohanElzenga

Community Expert

Could be a GPU issue. You need to give info about your system. Go to Help - System Info in Lightroom Classic and post that here.

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-- Johan W. Elzenga

J

john_animalphoto

Participant

I’m very sorry for my late reply.

Lightroom Classic version: 14.5.1 [ 202508231203-c2638d01 ]
License: Creative Cloud
Language setting: cs-CZ
Operating system: Mac OS 13
Version: 13.7.8 [22H730]
Application architecture: x64
Logical processor count: 8
Processor speed: 2,8GHz
SqLite Version: 3.36.0
Power Source: Battery, 39%
Built-in memory: 16 384,0 MB
Dedicated GPU memory used by Lightroom: 5 094,2MB / 2 048,0MB (248%)
Real memory available to Lightroom: 16 384,0 MB
Real memory used by Lightroom: 1 102,6 MB (6,7%)
Virtual memory used by Lightroom: 46 797,7 MB
Memory cache size: 2 075,2MB
Internal Camera Raw version: 17.5 [ 2318 ]
Maximum thread count used by Camera Raw: 5
Camera Raw SIMD optimization: SSE2,AVX,AVX2
Camera Raw virtual memory: 485MB / 8191MB (5%)
Camera Raw real memory: 587MB / 16384MB (3%)

Cache1:
Final1- RAM:189,0MB, VRAM:0,0MB, _93A0215.CR3
Final2- RAM:278,0MB, VRAM:621,0MB, _93A2351.CR3
NT- RAM:467,0MB, VRAM:621,0MB, Combined:1 088,0MB

Cache2:
m:2 075,2MB, n:377,7MB

U-main: 133,0MB

Standard Preview Size: 3360 pixels
Displays: 1) 3360x2100

Graphics Processor Info:
Metal: AMD Radeon Pro 555
Init State: GPU for Display supported by default with image processing and export supported in the custom mode
User Preference: GPU for Export enabled
Enable HDR in Library: OFF
GPU for Preview Generation: On (S4_2)

Application folder: /Applications/Adobe Lightroom Classic
Library Path: /Volumes/KINGSTON/zoo catalog/untitled folder/zoo catalog26/zoo catalog26.lrcat
Settings Folder: /Users/mp/Library/Application Support/Adobe/Lightroom

Installed Plugins:
1) AdobeStock
2) Aperture/iPhoto Importer Plug-in
3) Flickr

Config.lua flags:

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