It seems there is a issue with your graphic device or the appropriate driver. 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/troubleshoot-gpu.html   If it's help see here Troubleshoot GPU issues | Lightroom Classic (adobe.com) and check the different steps.   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   Is your system up-to-date? Do you have installed all recent updates and patches for the operating system and the device drivers, especially the graphic driver. If you have a NVidia graphic card installed, make sure that you are using the recent Studio version of the driver, not the Game Ready version. Please provide a copy of your 'System Info'. This can be get from the LrC Help > System Info menu item. There's a copy button in the System Info dialog. Press this button and paste the info into your next forum post.   ... View more

@Felipe Saenger It's possible that's a hardware problem, like a defective RAM module. Normally there a some diagnostic tools on board. Use this tools to check your hardware.   ... View more

In the system info I see that there is a Intel UHD GPU aktiv. I think this is the CPU internal GPU. Please try to deactivate this GPU in device manager in Windows and check.     More informations you'll find here: https://helpx.adobe.com/photoshop/kb/troubleshoot-gpu-graphics-card.html ... View more

On a first step, try to reset the preferences of Photoshop using the steps described here: https://helpx.adobe.com/photoshop/using/preferences.html#reset-preferences It's recommended to backup your settings before resetting the preferences. See here:  https://helpx.adobe.com/photoshop/using/preferences.html#backup-photoshop-preferences   ... View more

Try resetting the preferences of Lightroom Classic:  How to reset Lightroom Classic preferences (adobe.com) 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   ... View more

@christopher_5362  Do you have tried to restore a catalog from a backup? Do you have tried to create a new catalog? What happen when you hold down the Ctrl-Key while starting LrC?   Do has been changed on your system before the error occur?   If all doesn't help, I recommend a a complete and clean reinstallation by following the steps below: Backup all personal data, like templates, presets etc. Uninstall everything CC app including preferences,     https://helpx.adobe.com/creative-cloud/help/uninstall-remove-app.html Then uninstall the CC Desktop Client,     https://helpx.adobe.com/creative-cloud/help/uninstall-creative-cloud-desktop-app.html Clean your computer of CC files per    http://www.adobe.com/support/contact/cscleanertool.html Restart your computer (don't skip this) Reinstall the CC Desktop Client,     https://www.adobe.com/creativecloud/desktop-app.html Use the Desktop Client to install your CC applications Restore your personal data.   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) It's sound drastic and is a lot of work, but in my experiense a clean reinstallation helps to solve problems in many cases.         ... View more

Please take a look here: Gelöst: P: Release 14.2 cannot open Lightroom edited photo... - Adobe Community - 15237644   BTW: Please don't reactivate such old post. It's likely 5 years old and it's not sure that is already the same issue. It's better to create a new thread with describing your issue as detailed as you can and include your system info.   ... View more

Try to reset the preferences of Photoshop using the steps described here: https://helpx.adobe.com/photoshop/using/preferences.html#reset-preferences It's recommended to backup your settings before resetting the preferences. See here:  https://helpx.adobe.com/photoshop/using/preferences.html#backup-photoshop-preferences   ... View more

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/troubleshoot-gpu.html   If Lightroom doesn't start correctly the please see "Solution 2" in the document behind the link below. 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   Check if your system is up-to-date Do you have installed all recent updates and patches for the operating system and the device drivers, especially the graphic driver? If you have a NVidia graphic card installed, make sure that you are using the recent Studio version of the driver, not the Game Ready version.   A faulty catalog can also be a reason for crashing Lightroom.  Try to restore a catalog from backup.  If this doesn't help hold the Ctrl-Key while starting LrC. This opens a catalog selection dialog. First select the appropriate recent catalog and let it check it – note the checkmark "Test integrity of this catalog" to check its integrity. If that doesn't help, try to create a new one and see if this catalog works. If yes, you could then try to import your current catalog into the new one.   ... View more

Please describe more detailed. Which app? Which operating system? What have you done before the error occur?   ... View more

If you're working with SmartPreviews check if the original RAW files are available?   ... View more

.. I understand that software this old is not still supported with newprogramming but I DO NOT understand why Adobe does not keep accessavailable to the latest version of that series of the software. ... By @Fastshutter1234   Do you've read @Rob_Cullen post? He posted a link where you an download the latest version of Lightroom 5 (it's version 5.7.1). Here's the link again: New Adobe Lightroom 5: Direct Download Links + Difference vs. LR4 | ProDesignTools You have to scroll down a little on this site.   As @dj_paige wrote please answer our question in short words. I've read your posts and try to understand what you're wrote. But I didn't. So please describe you problem as detailed as possible in short words!! A screenshot can be already helpful.      ... View more

Take a look here How to add keyboard shortcuts to Lightroom (Mac) - Adobe Community - 9667553 and see if it's help.   ... View more

  ... NVIDIA RTX 2080 Ti GPU, Driver 566.36 ... By @Glutenus Max   You're graphic device driver is outdated. Please goto NVidia's website and search the recent driver that matching with your graphic card. Make sure that you're download and install the recent Studio Version and not the Game Ready version!!   ... View more

I've had the same problem. Use the Adobe Creative Cloud Application to uninstall Photoshop. When asked, keep preferences! After this reinstall Photoshop again. Thsis has helped in my case.   If this doesn't help the nest step is to reinstall both apps Lightroom and Photoshop. Please follow the steps below:   1. Open the Adobe Creative Cloud Desktop Client and uninstall both Photoshop and Lightroom Classic. When asked, keep preferences!  2. Install Photoshop first and then Lightroom Classic. The right order is very important here!   If this doesn't help try the reinstallation with removing the preferences also. ... View more

If i was to create a new catalong and import my present catalog what would i lose in both of these senarios? By @GroomsPhotography   If you creat a new catalog I would import in a first step only several images to check. If LR is working with the new catalog you can import the content of your recent catalog. You should loose nothing.   ... View more

What you're doing before the error occur?     When the 'link' between Lightroom Classic and Photoshop has issues try this:   If you have installed the Beta version of Photoshop this can be also a reason for the issue. Try to deinstall the Beta by using the Creative Cloud desktop client. In several cases it can be necessary to reinstall the normal Photoshop version.   Use the Adobe Creative Cloud Application to uninstall Photoshop. When asked, keep preferences! After this reinstall Photoshop again.   If this doesn't help the nest step is to reinstall both apps Lightroom and Photoshop. Please folloe the steps below:   1. Open the Adobe Creative Cloud Desktop Client and uninstall both Photoshop and Lightroom Classic. When asked, keep preferences!  2. Install Photoshop first and then Lightroom Classic. The right order is very important here!   If this doesn't help try the reinstallation with removing the preferences also.         ... View more

Another possibility of crashes could be a defective catalog. Restore the catalog from a backup that was made before the crashes began. Or you can also check the integrity of the existing catalog or create a new catalog file. To do this, hold the Ctrl-Key while starting LrC. This opens a catalog selection dialog.   First select the appropriate recent catalog and let it check it – note the checkmark "Test integrity of this catalog" to check its integrity. If that doesn't help, try to create a new one and see if this catalog works. If yes, you could then try to import your current catalog into the new one.   ... View more

Try resetting the preferences of Lightroom Classic:  How to reset Lightroom Classic preferences (adobe.com) 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   Do you have moved your catalog to the internal hard drive as mentioned in the former posts?   ... View more

Do you get an error message? If yes, please post the message word-by-word.   Please try to disable the option to "Use Graphics Procesor" from Photoshop by going to Preferences, then Performance. Once done, quit & relaunch Photoshop to check if that helps. If it helps, you can check out the steps suggested here:   https://helpx.adobe.com/photoshop/kb/troubleshoot-gpu-graphics-card.html Take a look especially point 7 in the "Troubleshoot GPU and Graphics driver" section.   Is your system up-to-date? Do you have installed all recent updates and patches for the operating system and the device drivers, especially the graphic driver. If you have a NVidia graphic card installed, make sure that you are using the recent Studio version of the driver, NOT the Game Ready version.   If this all doesn't help, we need more informations about your system. Maybe you can post your Photoshop system info. In Photoshop goto Help > System Info and hit the copy button. Then paste the entire informations into this thread.   ... View more

Please see here: Working with Canon's Raw Burst Mode in Camera Raw and Lightroom   ... View more

I also updated to 14.2 and have basically lost everything!.  By @ruperts12617867   Please be more specific and give us more and detailed informations about your issue and what have you done. What do you mean with lost everything? Updating Lightroom doesn't delete any catalogs and so on. Check if you're open the correct catalog. Do you get error messages?   Moderator's note: I branched you posts into a new thread, because it seems there's a different problem than the creator has posted.   ... View more

When the 'link' between Lightroom Classic and Photoshop has issues, the first step is to try this: Use the Adobe Creative Cloud Application to uninstall Photoshop. When asked, keep preferences! After this reinstall Photoshop again.   If this doesn't help the nest step is to reinstall both apps Lightroom and Photoshop. Please folloe the steps below:   1. Open the Adobe Creative Cloud Desktop Client and uninstall both Photoshop and Lightroom Classic. When asked, keep preferences!  2. Install Photoshop first and then Lightroom Classic. The right order is very important here!   If this doesn't help try the reinstallation with removing the preferences also.   ... View more

As I see in your system info your catalog is stored on OneDrive.  ... Library Path: C:\Users\carlg\OneDrive\Pictures\Lightroom\Lightroom Catalog.lrcat ... By @GroomsPhotography   It's recommended to store the catalog on the internal hard drive (a external drive is also possible), but saving the catalog on a cloud drive can be problematic.    BTW: I also see that you graphic device driver is also outdated. Goto NVidia's website and download the recent version for your graphic card and install it. Make sure that you install the Studio version and not the Game Ready version!!     ... View more

... Copied whole Lightroom folder and sub-folders but when I try and open the catalog, it says it's corrupted. ... By @jtaylor333   What happened if you copy only the catalog file to the new computer? Here you'll find a good article with a lot of informations how easily move LR to a new computer: How do I move Lightroom to a new computer? | The Lightroom Queen   ... View more

You gave us no detailed informations about your problem, the affected applications and your system. What do you try to do? Which resource wasn't be found?   Please describe you issue as detailed as you can and give und infos about your system. Without these informations we can't try to help.   ... View more

Please see here: Need Help - This module is blocked from loading into Local Security - Microsoft Community   ... View more

@dogmatic_3581 I think you talk about Photoshop 8.0 or known as Photoshop CS. This version is more than 20 years old. So I think the SDK isn't available anymore.   ... View more