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CK3 Crashes Constantly Midgame

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Theophantor

Theophantor

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Sep 19, 2011
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Hi,

I love CK3 but ever since the expansion for wanderers, my game is liable to crash midgame suddenly. I've verified game files, I've reinstalled, I've done my graphics driver update, I've done most things asked. I need help to get it working. It's unplayable now, it crashes after barely 5 minutes of play time.

Thank you!
 
Right click on ck3.exe , properties, compatibility. Tick "disable fullScreen optimisations" untick every other box in that dialog, Apply and exit.


Then in the launcher Game Settings menu, select fullScreen display mode, Vsync off, cap refresh rate at 60.





If those don't help:


DXDIAG is a program you run from the Windows search box on the task bar. After running it will open a window and start collecting info with a progress bar in the lower-left corner. When it completes click the 'save all information' button and save it to a file then attach that file here.


IF dxdiag.txt fails to attach here, rename it to dxdiag.log , or zip it up.





Please attach here your Documents/Paradox Interactive/CK3/pdx_settings.txt .


From your Documents/Paradox Interactive/CK3/logs/ folder, attach here system.log , error.log , exceptions.txt
 
Hello,

Sorry for the delay. I disabled the fullscreen optimizations, and vsync, capped at 60. The game still crashed. I did a hard reinstall, including deleting the folder.

Attached is my Dxdiag.

Thank you!
 

Attachments

  • DxDiag.txt
    139,9 KB · Views: 0
As you have Windows 11 24H2 this is certainly the cause of this problem.

it is a severely broken Windows update that has caused problems across the whole gaming - indeed computer - industry.

https://forum.paradoxplaza.com/forum/threads/game-crashing-after-windows-11-24h2-update.1718749/
https://forum.paradoxplaza.com/foru...-freezes-after-installing-win11-24h2.1725554/
https://forum.paradoxplaza.com/foru...ws-11-24h2-with-exit-code-3221225620.1712339/

Some users found relief in various ways:

That aside, Certainly make sure you have the latest MS updates for it installed, but if that doesn't help all you can do is revert to 23H2 if you still can.

The CK3 devs are aware of the issue of course, but I don't know whether it is thought possible to change the game to work around the Windows 11 bugs.

Sorry about that!
 
Theophantor said:
Hello,

Sorry for the delay. I disabled the fullscreen optimizations, and vsync, capped at 60. The game still crashed. I did a hard reinstall, including deleting the folder.

Attached is my Dxdiag.

Thank you!
Click to expand...
FOUND AN ISSUE
After doing a lot a thing,

One was the good one:
A registry entry as usual

Add a QWORD(x64) value in
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\StorPort

Named HmbAllocationPolicy
Value 0 (default)

FOr the first time, no crash nor memory leak in 6 hours along !!!

Enjoy
 
Good time of day. If the game used to crash after 15 minutes of playing, now it doesn't even start.
 

Attachments

  • DxDiag.txt
    141,6 KB · Views: 0
  • pdx_settings.txt
    5,9 KB · Views: 0
  • error.log
    5,2 MB · Views: 0
  • debug.log
    16,4 MB · Views: 0
Theophantor said:
It's back to crashing. I cant' think it's anything BUT the new Windows patch. :(
Click to expand...
Try selecting Vulkan as the renderer in the launcher-game settings menu.
 
Gomzelev said:
Good time of day. If the game used to crash after 15 minutes of playing, now it doesn't even start.
Click to expand...
Yours is an unrelated issue as you do not have the problematic Windows 11 version this thread is about. In future please make your own new thread, thanks.


The most common cause of this game failing to start since the recent 1.14.3 patch is Avast, Norton's, Sophos or AVG antivirus (at least!) blocking the updated ck3.exe . Regardless of what AV app you use, make sure ck3.exe is in all its exceptions lists.





If that's not the case here, or doesn't help, Please do a full clean re-install:


  • move any valued save games elsewhere
  • "uninstall" in Steam-CK3
  • manually delete both the Steam/SteamApps/common/Crusader Kings 3 AND Documents/Paradox Interactive/Crusader Kings III/ folders - In particular make sure there are no files or folders left under either the Steam CK3 or Documents CK3 locations, before installing again.
  • re-install game in Steam, run a Steam Verify when done.
  • add CK3.exe to the exceptions list of your antivirus app; ESPECIALLY if you have Windows Defender, add it to the Ransomware "Apps Allowed Through" list.

THEN Right click on ck3.exe , properties, compatibility. Tick "disable fullScreen optimisations" untick every other box in that dialog, Apply and exit.


Then in the launcher Game Settings menu, select fullScreen display mode, Vsync off, cap refresh rate at 60.





If those don't help:


DXDIAG is a program you run from the Windows search box on the task bar. After running it will open a window and start collecting info with a progress bar in the lower-left corner. When it completes click the 'save all information' button and save it to a file then attach that file here. IF dxdiag.txt fails to attach here, rename it to dxdiag.log , or zip it up.





Please attach here your Documents/Paradox Interactive/CK3/pdx_settings.txt .


From your Documents/Paradox Interactive/CK3/logs/ folder, attach here system.log , error.log , exceptions.txt
 
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