Assertion Failed

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I am running Windows 11 and updated version of Lightroom Classic version 12.1 and cannot open it due to Assertion Failed. I went back to earlier version 12 and still have the same problem.

Any ideas on how to fix the problem?

Windows

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Rob_CullenCorrect answer

Community Expert

There is an Adobe Help page on this topic-

Assertion failed- update error | Windows

It seems to be caused by locating your (default?) Windows 'Libraries' (Documents, Pictures, Videos) in different folder locations. (eg. I have "Documents" on my D:drive)

Regards. My System: Windows-11, Lightroom-Classic 15.4.1, Photoshop 27.8, ACR 18.4, Lightroom 9.4, Lr-iOS 10.4.0, Bridge 16.0.3 .

Rob_Cullen

Correct answer

Community Expert

There is an Adobe Help page on this topic-

Assertion failed- update error | Windows

It seems to be caused by locating your (default?) Windows 'Libraries' (Documents, Pictures, Videos) in different folder locations. (eg. I have "Documents" on my D:drive)

Translate

Regards. My System: Windows-11, Lightroom-Classic 15.4.1, Photoshop 27.8, ACR 18.4, Lightroom 9.4, Lr-iOS 10.4.0, Bridge 16.0.3 .

S

steveryan2Author

Participant

Thanks this worked.

Steve

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F. McLion

Community Expert

I'd suggest removing Lightroom, restart the computer and the reinstall from the CC Desktop app.

Don't worry, your catalog and all of your image data won't be touched by this.

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