Hey there! I’m Kimberly Reynolds, a professional photographer, and I’ve experienced just about everything when it comes to photography—stunning sessions, challenging shoots, and yes, frustrating tech issues. One of the most nerve-wracking experiences I’ve had as a photographer was dealing with a corrupt Lightroom Classic catalog. If you've ever had this happen, you know exactly how devastating it can be, especially when you're in the middle of editing a large batch of images.
Today, I want to share my experience and offer some actionable tips on what to do if you find yourself in the same situation. This isn’t just about recovering lost work; it’s about understanding the signs of catalog corruption, learning how to prevent it, and navigating the technical hurdles that come with fixing it.
1. Understanding Catalog Corruption in Lightroom Classic
Before we dive into solutions, let's first break down what catalog corruption actually is and how it can impact your workflow. Lightroom Classic catalogs are databases that store all of your photo edits, metadata, and organizational information. If a catalog becomes corrupt, it means that something has gone wrong with the database itself, causing Lightroom to either freeze, crash, or display strange behavior.
One of the first signs I noticed was that all of my masks—those adjustments and selective edits I spent hours perfecting—would need to be re-applied when moving from one photo to the next. I was editing a portrait session, and after finishing a mask on one image, I’d move on to the next, only to realize that Lightroom had lost all the mask settings I’d just done. That was my big “uh-oh” moment that something was wrong. It was one of the many signs that my catalog had become corrupt.
2. Signs Your Lightroom Catalog Is Corrupt
It’s not always obvious when your catalog is corrupt, but there are a few telltale signs that you can look for:
Slow Performance: Lightroom suddenly starts running much slower than usual, especially during tasks like syncing, exporting, or switching between modules (Library, Develop, etc.).
Crashes and Freezes: Lightroom constantly crashes, freezes, or closes unexpectedly.
Missing or Incorrect Edits: You notice that adjustments, masks, or edits are either missing or not appearing as expected on certain images. For example, like I mentioned, my masks were being reset on each photo I moved to.
Error Messages: Lightroom displays error messages when trying to access or open the catalog, or when attempting certain actions like importing or exporting photos.
Catalog Not Opening: You try to open your catalog, but it won’t load or Lightroom gives you an error saying it can’t open the catalog.
If you’re experiencing any of these issues, it’s time to start troubleshooting and working on fixing your catalog.
3. How to Fix a Corrupt Lightroom Catalog
Thankfully, there are steps you can take to repair a corrupt Lightroom Classic catalog. Here’s what worked for me when I encountered this issue.
Step 1: Back Up Your Catalog (If You Haven’t Already)
This is the first step before doing anything else. Always back up your Lightroom catalog regularly. If you haven’t been doing this, stop what you're doing and try to create a backup of the corrupt catalog file. You can find the backup options under Edit > Catalog Settings > Backup. Even if Lightroom isn’t working properly, you might still be able to grab the latest backup from the folder where your catalog is stored.
If you don’t have a recent backup, don’t panic—there are still recovery options, but it’s important to protect your data before making further changes.
Step 2: Open Lightroom Using a Previous Catalog Version
Lightroom automatically creates backup copies of your catalog, and if you’ve been diligent about enabling this feature, you might be able to recover an older, uncorrupted version of your catalog. Here’s how:
Navigate to Your Backup Folder: Go to the folder where your Lightroom catalog is stored (usually the Picturesfolder on your computer).
Find the Backup Folder: Inside your catalog folder, you should see a “Backups” folder.
Open a Backup Catalog: Open one of the backup catalog files by double-clicking it. Make sure it’s a recent backup to minimize the loss of edits and photos.
This is one of the easiest ways to recover your work if your primary catalog has been corrupted. It won’t have the exact most recent changes, but it’s a good place to start.
Step 3: Repair the Catalog Using Lightroom's Built-in Tool
If you don’t have a good backup, you can attempt to repair the catalog file directly from Lightroom Classic. Here’s how you can do that:
Open Lightroom Classic (even if it’s unstable, try to open it).
Hold down the Alt (Windows) or Option (Mac) key while Lightroom is launching.
A dialog box should appear that allows you to choose the Optimize Catalog or Repair Catalog options.
Run the Repair Tool: Follow the instructions, and Lightroom will attempt to repair the corrupt catalog file. It may take some time, depending on the size of the catalog.
If Lightroom is unable to repair the catalog file, you can try importing the photos from your corrupt catalog into a fresh one, although this may result in losing your edits and organizational structure.
Step 4: Create a New Catalog and Reimport Photos
If your catalog is completely beyond repair, creating a new catalog may be your best bet. Don’t worry—you won’t have to start from scratch completely. Here’s how to do it:
Create a New Catalog: Go to File > New Catalog in Lightroom. Choose a new location and name for the catalog.
Reimport Your Photos: If your original catalog is corrupt but your photos are still intact, you can reimport your images into the new catalog. However, you may lose all of your previous edits, keywords, and collections, but sometimes not!
If you have a large number of images with complex edits, this can be time-consuming, but it’s an option to consider if everything else fails.
Step 5: Prevent Future Catalog Corruptions
Once you’ve fixed your catalog, it’s essential to take steps to prevent future corruption. Here’s how:
Back Up Regularly: Always back up your catalog after any significant editing or importing session. Use the Backup Catalog feature in Lightroom to save a copy at least once a week (or even daily for larger workflows).
Optimize Your Catalog: Lightroom offers an Optimize Catalog feature (under File > Optimize Catalog) to help keep things running smoothly and minimize the chances of corruption.
Avoid Crashes: Be mindful of closing Lightroom properly. Always quit Lightroom using the “Quit” option (not just closing the window). Also, try to avoid using third-party plugins that might interfere with Lightroom’s stability.
4. What Clients Think When Lightroom Catalogs Go Corrupt
When your Lightroom catalog goes corrupt, it’s a huge headache, but it doesn’t mean you’re unprofessional. Clients won’t necessarily notice the tech issues you’re facing, but they will notice if it affects their timeline or the quality of the final product. If you lose edits or experience delays, communicate transparently and professionally. Let your clients know that you’re working on the issue and will deliver their photos as soon as possible. ALWAYS KEEP YOUR RAWS!!!
The good news is that once you’ve solved the problem, you can confidently reassure clients that you have systems in place to ensure it doesn’t happen again.
Happy shooting!

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