Fedora : Untrusted Application Launcher

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Posted on November 09, 2017

Error:

The application launcher *.desktop has not been marked as trusted. If you do not know the source of this file, launching it may be unsafe.

Then there is no other options available to you. I found this to be a permission issue if you downloaded the application as root. The app group will need to be changed to a users group with executable rights.