As the application crashes while fetching certificate revocation list, please try the steps mentioned here Adobe Reader DC crashes for certified PDF's by NotYours.
Check if that resolves the issue.
Also, try these steps:
-Launch the application.
-Go to Edit > Preferences > Trust Manager > Automatic Updates
- Make sure that the boxes are marked "Load trusted certificates..."
If you still get the same message the application crashes, let us know.
Also, share the version number of the Acrobat DC and the OS on which you are working.
Take help of the steps mentioned in this link Identify the product and its version for Acrobat and Reader DC to check the version number.
We will be waiting for your response.
Let us know if you need any help.