This error message can appear in many situations, in some cases, it happens when you start Lightroom, attempt to change modules, or even while performing other functions. In this article, we will explore the official troubleshooting steps for dealing with this error.

How to fix An error occurred when attempting to change modules?

1. Install the latest Lightroom update

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2. Delete the preference file of Lightroom

In order to re-set the preferences of your Lightroom app, you will need to delete the preference file by dragging it to the Recycle Bin. Here is where you can find the preference files on your PC:

Lightroom Classic -> C: ->Users -> [user name] -> AppData -> Roaming -> Adobe -> Lightroom -> Preferences -> Lightroom Classic CC 7 Preferences.agprefs Lightroom 6 -> C: ->Users -> [user name] -> AppData -> Roaming -> Adobe -> Lightroom -> Preferences -> Lightroom 6 Preferences.agprefs Lightroom 5 -> C: ->Users -> [user name] -> AppData -> Roaming -> Adobe -> Lightroom -> Preferences -> Lightroom 5 Preferences.agprefs Lightroom 4 -> C: ->Users -> [user name] -> AppData -> Roaming -> Adobe -> Lightroom -> Preferences -> Lightroom 4 Preferences.agprefs

After you’ve completed this step, start Lightroom for the preference file to be automatically created again. If this didn’t solve your issue, please follow the next method.

3. Uninstall and re-install your Lightroom app

For Lightroom: For Lightroom 6 and earlier versions: In today’s article, we explored the best troubleshooting methods to deal with the message An error occurred when attempting to change modules inside Lightroom. Please feel free to let us know if this guide helped you in any way, by commenting below.

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