I have problem when opening file 1z0-819.ets. That error has a message like this: This ETS Question Bank file is not encrypted . Therefore, its provider's identity cannot be verified. You should use it only if you trust the source of this file.
I tried running it with jdk 11 and jdk 1.8 both not working. Please help me, I bought license full OCP Java 11 1z0-819.
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