Colour glitch on export

Question

Can anyone help!!I'm having issues with some images - The image edits fine using my normal B&W preset in Lightroom Classic (All up to date), and exports fine so the RAW files seem to be ok, but when I sharpen them (in my normal way in PS, using a preset I've always used for years), these coloured errors come up on some of the images. It only seems to happen on B&W images though, and not all of them.....I've tried re-exporting the problem images and then sharpening them again, and the same thing happens. Any ideas what's going wrong?

AxelMatt · Accepted Answer

The first thing that you should try is to switch off the GPU support from the Lightroom preferences and check if that helps to fix the issue.

Go to Lightroom > Preferences > Performance tab > Uncheck "Use Graphics Processor" > Restart Lightroom.

https://helpx.adobe.com/lightroom-classic/kb/lightroom-gpu-faq.html#troubleshooting

https://helpx.adobe.com/lightroom-classic/kb/troubleshoot-gpu.html

If Lightroom doesn't start correctly the please see "Solution 2" in the document behind the second link.

Troubleshoot GPU issues | Lightroom Classic (adobe.com)

Another step is to try to reset the Lightroom preferences.

https://www.lightroomqueen.com/how-do-i-reset-lightrooms-preferences/

It's recommended to backup your preferences before you reset the preferences to the default settings:

https://helpx.adobe.com/lightroom-classic/kb/preference-file-and-other-file-locations.html

If this doesn't help we need more informations about your environment.

Which operating system do you use?

Which version of Lightroom do you use?

Please post the exact version and not only phrases as "recent", "latest" and so on.

bena58748468 · Answer

Thanks Golding D - It was set to Automatic, but was just trying what Axel suggested below buy switchingto custom and untoggling the "use GPU"... Thakns, I'll add more to the RAW cache.

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