How to fix incorrect resolution

This guide will teach you how to fix Call of Cthulhu rendering at a resolution that is different from what you set in the options menu.

The problem stems from the game not knowing how to properly interpret Windows' scaling settings.

To fix this, you need to locate the game's .exe file found in /steamapps/common/CallOfCthulhu.
Once you have located the file, right-click it and select the compatibility tab.

From here you need to click on "Change settings for all users", then in the new window that opens click "Change High DPI Settings" and once again a new window opens where you need to enable/tick the box under "High DPI scaling override" and select "Application" from the drop down menu (should be the default).

Then hit OK and in the currently highlighted window press "Apply". Now you can exit all the remaining windows.


You can now start the game and your resolution will be exactly what you specify within the options.

[Spartan VI]

Yep, mine is already 100% scale. My native resolution is 1440P.

[Companion Pube]

@Spartan VI:

Try going into Windows settings, System, Display, Scale and Layout and change the option under "Change the size of text, apps and other items" to 100%.

This might make everything on your Desktop look too small, but try booting into the game like that. That's the only idea I have if the above didn't help.

[Spartan VI]

No worky for me either. Still a blurry mess like it's upscaling 720P or something. Even when I use VSR up to 8K resolution or go all the way down to 480P, it always looks exactly the same.

[Kec]

didn't even know I needed this. Game is so good I finished whole thing without noticing the graphic is bad. Now I'm replaying it and it's like playing remastered game :D

[RoosterX86]

Thank you!!!

[DeepStar Six]

Thank you.

[Emerald]

this worked, thanks

[kapysta]

Thanks man

[Djura]

Doesn't work for me.

[Mord]

Thank you, this is the most effective fix. Why the developer never implemented one, is the real mystery.