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LRC not opening/can't uninstall

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Hello there,
I'm looking for some help with LRC. All of a sudden, it won't open. I click on it, it loads for a bit - then nothing. I can also not uninstall it! I have tried the following:

- restarting the computer multiple times

- installing it again
- uninstalling (it won't)
- uninstalling it by uninstalling Adobe Cloud first (still won't work)
- uninstalling with the Adobe Clean up program as per tutorial (will uninstall everything BUT Lightroom Classic)

Please help! The regular Lightroom programm works, but I need Lightroom Classic for my work.

I'm using Windows 10.

Windows

DdeGannesCorrect answer

Community Expert

From distant memory, I may have closed LRC a couple of days ago without allowing it to back-up. Maybe this influenced the problem I now have somehow.

I do not think that should be responsible for what you are experiencing.

My thourghts are the problem is directly related to your GPU driver and that creates the Lock file, which remains in place preventing the launch of the Catalog.

First I would disable the GPU acceleration, even if it requires you do that manually, all the details were provided in Alex first response. And leave it disabled for the time being.

Next check that there is no Lock file next to the Catalog file, if there is also a .WAL file present next to the Catalog file delete it also.

Next double click on the Catalog file to boot.

Let us know if that works.

P.S. If there is a .SHM file present in the Lightroom folder nex to the Catalog delete it also.

Regards, Denis: Laptop Win 11, ver 24H2, LrC 15.4 PS 27.8;

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KirstinDevensAuthor

Participating Frequently

On Windows 11 Home.

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K

KirstinDevensAuthor

Participating Frequently

Thank you for your prompt and detailed reply Axel Matt.

As I cannot open my LRC, i cannot update the Preferences. I tried doing it manually, but am unable to find the folder - even after making sure that hidden folders are showing up as per recommendation.

I am using LRC V11.4.1

Thank you for your time.

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AxelMatt

Community Expert

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.

Do you get an error message? If yes, please post the exact message or an screenshot.

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My System: Intel i7-8700K - 64GB RAM - NVidia Geforce RTX 3060 - Windows 11 Pro 26H2 -- LR-Classic 15 - Photoshop 27 - Nik Collection 9 - PureRAW 6 - Topaz Photo AI

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