Hello everyone, a user reports the following problem after double-clicking on a UXP plugin (.ccx): Compatible app required [installation_error] I can reproduce the issue. My OS and InDesign language is German. If I change the default installation language in the Creative Cloud App to »English…

Do we as developers have any influence on this? Have I overlooked something in the manifest here? Nope, there is nothing we can do from our side. If the user installs the English PS version it will work. I have reported this strange behavior to Adobe several times.

Error message: Compatible app required

InDesign

plugisto April 14, 2026, 8:29pm 4

I have the same issue but with my CEP Extension. Error message for CEP extension: Compatible app required

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Error message: Compatible app required

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