Most likely , your database file has been affected by a newer version of the launcher. Remove/raname the file '/home/smartassskeleton/.local/share/Paradox Interactive/Europa Universalis IV/launcher-v2.sqlite' and try again". I did try to...
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So, on pressing the Play button in the CK3 Launcher, I get the "Game failed to launch" error. Upon trying to run the .exe as an administrator, I'm told that several .dll files are missing, despite verifying my Steam files several times and doing several fresh installs. The missing ....