LRC not opening/can't uninstall

New Here ,
Aug 02, 2022 Aug 02, 2022

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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.

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Community Expert , Aug 02, 2022 Aug 02, 2022

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 .

...

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Community Expert ,
Aug 02, 2022 Aug 02, 2022

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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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New Here ,
Aug 02, 2022 Aug 02, 2022

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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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New Here ,
Aug 02, 2022 Aug 02, 2022

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On Windows 11 Home. 

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New Here ,
Aug 02, 2022 Aug 02, 2022

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Update: I managed the find the preferences file. Following tutorial. Will keep you updated. 

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New Here ,
Aug 02, 2022 Aug 02, 2022

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I have updated the Preferences. To no avail, I'm afraid. It still won't open. 

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New Here ,
Aug 02, 2022 Aug 02, 2022

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And no error messsages come up when attempting to open LRC. 
However this message pops up repeatedly (after click 'continue' the same pop appears) Screenshot 2022-08-02 102100.pngwhen attempting to deinstall it via Abobe Cloud:

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New Here ,
Aug 02, 2022 Aug 02, 2022

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Apologies for the influx of messages! I noticed LRC was running in the background whilst looking deeper into my Task Manager (it wouldn't show up on the main list and was hidden). I've closed it down (it was running six times simultaneously...) and am in the process of successfully de-installing.
Will reinstall and take it from there. 

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New Here ,
Aug 02, 2022 Aug 02, 2022

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I have reinstalled it - but it still won't open. 

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Community Expert ,
Aug 02, 2022 Aug 02, 2022

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Do you have do a clean reinstallation by using the Adobe Cleaner Tool? Because if you do a normal deinstallation some user specific files will be remain and were using by former installations.

For a clean reinstalltion please follow the steps below:

 

If you're unable to install the cc desktop app at this stage, use an administrator account (solution 4 here, https://helpx.adobe.com/creative-cloud/kb/creative-cloud-missing-damaged.html)

 

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New Here ,
Aug 02, 2022 Aug 02, 2022

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Thanks for getting back to me Axel Matt. I have just completed this process, step by step, in all detail.

Still, nothing. I will post a video of what is happening (not). 😕

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New Here ,
Aug 02, 2022 Aug 02, 2022

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It is a bit hard to see, but when clicking on LRC via my desktop, it will show a loading sign briefly, as though it is loading, then that disappears and nothing happens.

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New Here ,
Aug 02, 2022 Aug 02, 2022

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It appears to be running in the background, because LCR is showing up on my Task Manager under Background Processes. 
Screenshot 2022-08-02 131644.png

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Community Expert ,
Aug 02, 2022 Aug 02, 2022

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At Kirstin, could you please post a screen capture of your “ Lightroom “ sub folder which contains your Catalog/s, those files will end with the extension .lrcat ( dot LRCAT ) by default the folder should reside on your computer HD, users > your user name, Pictures / My Pictuers > Lightroom.

When I see what the folder contains it may offer some clues to what has taken place.

Regards, Denis: iMac mid-2015, 5K 27”, GPU 2GB, Ram 24GB, HDD 3TB, macOS 11.7.; LrC 11.5, Lr 5.5, Ps 23.5.1, ACR 14.5,; Camera OM-D E-M1.

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New Here ,
Aug 02, 2022 Aug 02, 2022

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Thank you for your reply DdeGannes, and please see image below:
Screenshot 2022-08-02 141904.png

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Community Expert ,
Aug 02, 2022 Aug 02, 2022

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OK, if Lightroom Classic shuts down in a normal way there should be no Lock files present in the folder.

The screen capture shows two lock files present in the folder and they will prevent Lightroom Classic booting, I would suggest you try deleting those two “dot LOCK” files. 

Next double click on the Lightroom Catalog file it’s the one with the blue Lightroom logo and ends .lrcat extension. That should boot LrC and open the Catalog file.

Regards, Denis: iMac mid-2015, 5K 27”, GPU 2GB, Ram 24GB, HDD 3TB, macOS 11.7.; LrC 11.5, Lr 5.5, Ps 23.5.1, ACR 14.5,; Camera OM-D E-M1.

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New Here ,
Aug 02, 2022 Aug 02, 2022

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Thank you DdeGannes, 
I have just followed your advice and deleted the two LOCK files. Neither the Catalog nor LRC will open, still. Seems like my case is a bit of a tougher nut to crack...

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New Here ,
Aug 02, 2022 Aug 02, 2022

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(Thank you, Denis) 

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New Here ,
Aug 02, 2022 Aug 02, 2022

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Also another .LOCK file appeared in that folder, after deleting the first two. I deleted that one also but no changes. LCR is still running as a background process according to Task Manager.

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Community Expert ,
Aug 02, 2022 Aug 02, 2022

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One other thought could you post a screen capture of your Preferences > Performance tab, so I can see what info is displayed.

One other question, when you deleted the lock file and tried to reboot have the lock files reappeared?

Regards, Denis: iMac mid-2015, 5K 27”, GPU 2GB, Ram 24GB, HDD 3TB, macOS 11.7.; LrC 11.5, Lr 5.5, Ps 23.5.1, ACR 14.5,; Camera OM-D E-M1.

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New Here ,
Aug 02, 2022 Aug 02, 2022

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Screenshot 2022-08-02 145918.png

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New Here ,
Aug 02, 2022 Aug 02, 2022

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Thanks heaps Denis,
I cannot seem to be able to locate the Preferences folder anymore, I think the screenshot posted is where I found it before!

And to answer your other question, yes I deleted the two .Lock files you pointed out, tried to reboot with no luck, then ended the LCR background process from the Task Manager. 

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New Here ,
Aug 02, 2022 Aug 02, 2022

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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.

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Community Expert ,
Aug 02, 2022 Aug 02, 2022

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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: iMac mid-2015, 5K 27”, GPU 2GB, Ram 24GB, HDD 3TB, macOS 11.7.; LrC 11.5, Lr 5.5, Ps 23.5.1, ACR 14.5,; Camera OM-D E-M1.

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New Here ,
Aug 02, 2022 Aug 02, 2022

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Thank you Denis.
I remember doing the GPU process in the beginning already which hasn't worked. I have de-installed LRC again, would you recommend doing the GPU process after re-installing it? 
I deleted the .SHM file.

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