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Open Fallout4config and change iPresentInterval=1 to iPresentInterval=0 and do the same with Fallout4prefs (here also change bForceIgnoreSmoothness=0 change that to bForceIgnoreSmoothness=1).Go to: C:\Users\username\Documents\My Games\Fallout4\.It is not an unknown problem and lots of players have it these days not just in Fallout 4.
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Restore the missing files and install the game. Also verify the integrity of game cache files in Steam. Often it’s because of your Anti-virus program so disable it. This happens because of missing / corrupt files. 32 bit operating system is not supported as it requires at least 8 Gigs of RAM. If you are using a 32 Bit you can not play.Verify the game cache files and restore the missing files.17) What if your cursor doesn’t show up in the menu? Game failed to launch:
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