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MrAnything01

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Hello, I have been having this problem for quite a while now where the launcher setup keeps saying I do not have a valid installation package for the product; I have done multiple uninstall and reinstalls, remove any and all eu4 and paradox related folders and I have even ensure that no exist of the launcher-installer-windows.msi folder exist to the preparing to install creates only one folder of it.
Is there any fix for this that isn't resetting/wiping the computer completely?

Problem.PNG
Problem2.PNG
 

AndrewT

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Please try this:

- exit the Steam app entirely
- uninstall Paradox Launcher v2 from the Windows "Apps and features" utility, if still present.

Delete the following folders if still present:

- C:/users/<UserName>/AppData/Local/Programs/Paradox Interactive/
- C:/users/<UserName>/AppData/Local/Paradox Interactive/
- C:/users/<UserName>/AppData/Roaming/Paradox Interactive/launcher-v2/
To see the AppData folder you'll need to enable View Hidden Items in File Explorer.

- run steam.exe as the Windows Admin user

- run the game from the PLAY button in Steam

IF that doesn't help, in this folder are some .log files:
C:/users/<UserName>/AppData/Local/Paradox Interactive/launcher-v2/
Please attach them here.

Note that you can run eu4.exe directly from Windows Explorer, which bypasses the launcher.
 

AndrewT

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Just skip that step and carry on with the rest, thanks.