my fallout 4 did not launch at the start, I don't know if this will help u but, I checked my anti virus, im using Kaspersky, and some of my steam exe's and fallout were flagged , in the application control settings folder as high risk, I just moved them to trusted and then everything worked sweet as
peace
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Punk is musical freedom. It's saying, doing and playing what you want. In Webster's terms, 'nirvana' means freedom from pain, suffering and the external world, and that's pretty close to my definition of Punk Rock.
Kurt Cobain