running flash, the lectora exits

Flash is not really supported by any web browser. You should move away from it, unless you have a very weird use case.

Can you specify exactly what you are doing when Lectora exits? Inserting a Flash item into Lectora? Previewing? Publishing?

when I enter a flash item into Lectora, the application immediately exits itself.

this event keeps happening when inserting a flash file into lectora

is there any solution for this problem?

when I enter a flash item into Lectora, the application immediately exits itself.

this event keeps happening when inserting a flash file into lectora

is there any solution for this problem?

Since no one is answering here (and probably no one on the forum is using Flash any more), I suggest you reach out to eLearning Brothers support.