LR 5.5 & DxO export now pops up warning window after LR 5.5 upgrade

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  • Updated 4 years ago
I'm using DxO Optics Pro 9.5 in conjunction with Lightroom. Everything was working OK until I upgraded to LR 5.5. Now when I export a TIFF or DNG back to LR from DxO, I always get a popup window that says LR confirm "The Lightroom catalog named "Lightroom 5 Catalog" cannot be opened because another application already has it opened. Quit the other copy of Lightroom before trying to launch.

It gives me the options to "Choose a Different Catalog", "Continue", or "Exit".

It is not a show-stopper problem, because it appears that the file does get exported back to LR, and shows up in a collection, and I can edit it in the Develop module, etc. If I just click on "Exit", everything seems fine. But it is annoying to have to deal with this window each time I export a picture back to LR, where I didn't have to before. Is there some way to disable this pop-up window?

I have filed a support ticket with DxO about this, but thought I'd ask here as well, since the error message is coming from Lightroom.
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Bill Keshlear

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Posted 4 years ago

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Bill Keshlear

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Alena Sialitskaya

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For some unknown reason LR 5.5 process can be launched multiple time, this causes the error message to be shown. You should close lightroom process before the export to get rid of the error.
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Bill Keshlear

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I had a remote session this morning with a DxO AE, and he said the same thing. Let me repeat what I told him. That is not a solution, but a workaround. I already had a workaround to just dismiss the warning window when it appears.

It is curious that his system running LR 5.5 does not do the same thing. If he invokes LR when it is already open, it will not try to open another instance of the process (just as was the case for me with versions of LR prior to 5.5). I'm curious to know what is different about his setup from mine. I did no unusual configuring when I updated to 5.5. I'm a pretty plain-jane type user.

I do have LR Mobile turned on. Could that be the cause of the difference? I tried logging out of LR Mobile but that made no difference to the problem. I'm running Win 7 64 bit. Maybe the people who are not seeing the problem run Win 8? If someone can confirm that, it might be helpful. I know at least one other person on this board indicated he had the same problem as I do.

Anyway, it is not a huge issue, since workarounds exist, but it is an annoyance.
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Alena Sialitskaya

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Hello. This error occurs only in LR 5.5 installed from Adobe Creative Cloud. You can install Lightroom 5.5 downloaded from adobe website which does not have this issue.
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Bill Keshlear

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Thanks, that did fix the issue. I had to uninstall LR 5.5 first and then reinstall it. Doing the "repair" option did not fix the problem, but a complete uninstall/reinstall did.