Hello all, I managed to fix this issue temporarily by manually deleting the preferences file as described in this article. Then I was able to start LrC again as it opened in the Library module. I suspect the app will immediately crash again if I try to use the Book module, so I won't try it.  Hope that helps anyone until this is properly fixed. ... View more

Thank you but downgrading to 12.0 did not change anything for me unfortunately.  ... View more

@Rikk Flohr: Photography is there any update on this? I need LrC regularly for my work and not being able to use it is becoming a serious problem.  ... View more

@Rikk Flohr: Photography in my case even reverting to v12.0 does not help, always the same issue.  ... View more

@Rikk Flohr: Photography ok thank you for the clarification. Should I create a new thread then ? ... View more

@Rikk Flohr: Photography  here you can see how the issue happens: https://www.loom.com/share/c91374a0279a49df9921c589d1680bde?sid=941384e3-8670-46f8-9240-a41dac316a73   ... View more

@Rikk Flohr: Photography why do you assume so? The exact same issue is happening on my system, started with the exact action when I selected the print module.  ... View more

Issue persists in 12.5, cannot use Lightroom for 2 weeks, please prioritize this issue.  ... View more