unable to open epub3 in ade4.5.6 with windows 7

Question

I had created a Epub3 file. And trying to read using ade4.5.6 but not opens and shows error that UNABLE TO OPEN.

still i have adobe id and authorized my computer.

Installed the app as run as admin... but problem remains

But epub2 files are opening well in above said ade version.

Then i tried with ade3.0 It works and able to read epub3.

Kindly suggest. how to open my epub3 files in ade 4.5.6 with windows7 os

piruthiviraja67068716 · Answer

I have the same issue on 4.5.7 version also.Can anyone advice us to overcome this issue.

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