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YourLordNomrial

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Feb 17, 2024
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  • Crusader Kings II
  • Europa Universalis IV
  • Europa Universalis IV: Art of War
  • Europa Universalis IV: Common Sense
  • Hearts of Iron IV: Cadet
  • Hearts of Iron IV: Death or Dishonor
  • Hearts of Iron IV: Expansion Pass
  • Crusader Kings III
tried playing eu4 all day but i keep getting this error
1708202556194.png
 
What happens if you run eu4.exe directly from File Explorer? Do you see a Windows error then?

Has this game ever worked on this machine? Or never yet?
 
Ah, that is usually an antivirus app getting in the way. What antivirus app do you use? You need to make sure all these apps are in its exceptions lists:

eu4.exe and dowser.exe (in the Steam EU4 folder)
C:/users/{username}/AppData/Local/Programs/Paradox Interactive/launcher-v2.2024.3/paradox launcher.exe
C:/users/{username}/AppData/Local/Programs/Paradox Interactive/bootstrapper-v2.exe

Then the game should run from Steam/our launcher, and enable all the DLCs.