Europa Universalis IV Dev Tracker

In the Windows search box enter msconfig . Go to Boot-Advanced. If the number of processors box is ticked there, please untick it.

If that doesn't help, please install and run the free utility Speccy. Send its output to a text file and attach that here, thanks.  

CK2 is free to play on Steam now. It is the most similar game to this one under the covers.

If you are running GeForce Experience, try unloading that.  

No clues in those files I'm afraid.

Dos this also affect HOI4, Stellaris and CK2?  

Can i get the files I asked for in post #2 please.  

Sorry, does this also affect CK2 and HOI4? Or not?


Will the game still run if you set it to:

refreshRate=60
fullScreen=yes
borderless=no

If so does that help at all?

And please try unloading all MSI utilities, and GeForce Experience if that is running.  

Lolcarlos said: *also should add that this is not occurring in any other game I play*

Specifically CK2 and HOI4, which I see you also have? Because they are very similar to this game under the covers - really if one is affected they should all three be.

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In the game launcher set Display mode to Borderless.


IF that doesn't help, Install ALL these Microsoft modules:

Download Microsoft Visual C++ 2010 SP1 Redistributable Package (x86) from Official Microsoft Download Center

... Read more

I don't know Avast at all, I'm sorry. You may need to contact their support to determine how to allow apps through it - usually there is an Exceptions list or something like that.  

jvtuta said: If i run only eu4.exe without paradox launcher i get error 0xc00000007b

Does it mention a DLL as well, or just that error number?

When you ran those 4 Microsoft installers, where they any errors or problems?  

Okay, well make sure these apps are all allowed through it:

steam.exe
eu4.exe
dowser.exe
bootstrapper-v2.exe
Paradox Launcher.exe  

Actually that's a completely different error than before.

I've not seen it before, but it looks like a file access issue. What antivirus do you use?  

jvtuta said: hey i get the same error from first post, "Launching the game failed". I just do all things who u tell the guy and not worked for me! Sorry for my english im brazilian.

You did everything in my post#4 above?  

Mixed messages in that log .... download this file:
https://forumcontent.paradoxplaza.com/emailsignatures/2020.2-win-prod.zip

Extract the three files in it and place them over the three older files with the same name that are in the Steam EU4 folder, where eu4.exe is. If Windows asks you to confirm the overwrites you are in the right place.

THEN do the process in post #2 above again please.  

There are some log files in:
C:/users//AppData/Local/Paradox Interactive/launcher-v2/

Attach them here please.  

Did you do my process in post #2 above? You don't mention it either way.  

filip133 said: I don't have menu like this "DLC Subscription" :/ Someone can write me why? How can I buy subscription? :/

It is not available to all users. It is essentially random who sees it and who does not.This is because it is an experimental programme.  

Does this happen whether you are host or not?

Are you opponents also Mac, or Windows, or mixed?

FYI here's my standard checklist for EU4 MP issues:


- make sure all players have opened the required Steam ports in all their active firewalls (each player may have up to 3)
https://support.steampowered.com/kb_article.php?ref=8571-GLVN-8711
- all players delete their documents/paradox/eu4/gfx/ folders, and let the game recreate them
- use no mods at all
- all players use the same language in-game
- when anyone gets an OOS error, re-host the game imme... Read more

No real idea, I"m sorry! I guess make sure steam.exe and eu4.exe are allowed through all your firewalls.

If that doesn't help, probably best to lodge a support ticket at paradox.zendesk.com  

Please update that nVidia driver:
https://www.nvidia.com/Download/index.aspx?lang=en-us

And what antivirus app do you use? Add EU4.exe to the exceptions list of your antivirus app; ESPECIALLY if you have Windows Defender, add it to the Ransomware "Apps Allowed Through" list.  

Try selecting borderless in the game launcher.