Did they work before?
Try to check if the GPU drivers are up to date. Don't just check on windows, go to the manufacturer's website and have a look. This happened to me. Manually uninstalling the software/drivers and installing the new version worked like a treat.

Are you trying to use that resolution: 1600x900

If not, you could force the native resolution in Launch Commands/Options.

I have seen issues with Unity engine mostly after using the engine itself. It seems as though the games want to run the Unity engine editor, so weird.

One time, the log pulled up the Unity editor in the games crash report.

Most times, the issues are appearing because of another program (or system file/function) malfunctioning, including: Net Framework which has an issue right now on Win10 for some people.

I always try SFC first and check if it is, in fact, a system issue itself.

I have never seen this resolution issue personally but I have seen similar issues in certain games that would force the resolution but the game would still run at that resolution.

The way I fixed those games was by changing the resolution values in the games configuration files but I fear this could be a Unity engine issue which then would not be a proper solution if every Unity game is having this issue.

yes everything is up to date and yes i'm trying to use resolution 1600x900

Now my questions are:

Is this a PC, SteamDeck, MAC, or laptop?

Windows 10, Win11, SteamOS, or Linux?

laptop a Victus by HP Gaming Laptop 16t-r100 windows 11

I would run, Windows Terminal (Admin Elevation):

Then:

Restart the PC and see if the games work properly.

This would rule out System corruptions and Windows Store App/Feature corruptions.

A quick Google Search and it appears that this error is found mostly on Linux versions but also Win10 but fewer cases exist for Windows with some pointing towards the Windows Service Pack Updates.

For what it is, seems as though this is specifically a DX issue so in all hopes SFC and DISM work but if not, I could suggest reinstalling/updating DX which may or may not help.

Seeing this is DX11, I believe this would be the repository for all versions under DX12:

https://www.microsoft.com/en-us/download/details.aspx?id=35

But in all hopes that DISM and SFC solves the problem first, would be much more simple.

The funny thing is that Steam should already have all DX repositories and C++ Redistros but those folders could also be corrupted and for that, I would say to run the Steam Client setup installation media over the current Steam Client version (without uninstalling the Steam Client), ultimately fresh installing the client without harming your games or your settings:

https://steamhost.cn/about/Setup

And finally, this trick I have used for multiple Client issues, simply delete this .json file at this location below:

Steam\userdata\(account number)\config\librarycache → achievement_progress.json

The file is redundant and will recompile itself after booting the client.

This last solution has solved Steam Client boot looping issues, Steam Store not appearing, Client - no log in/failed log in, crashes at Client login, and solving high Steam Client RAM usage.

make sure steam is running as admin
check a shortcut properties, compatibility tab, tick run as admin

then fully exit steam, steam -> exit, or steam from tray -> exit
wait for steam to close

then run steam again
steam -> library -> search -> redist
right click on 'Steamworks Common Redistributables' -> manage -> browse local files

run the latets of each as admin
right click on the exe and run as admin

..\Steam\SteamApps\common\Steamworks Shared/_CommonRedist.bak/DirectX/Jun2010/DXSETUP.exe
..\Steam\SteamApps\common\Steamworks Shared/_CommonRedist.bak/DotNet/4.7/NDP472-KB4054530-x86-x64-AllOS-ENU.exe
..\Steam\SteamApps\common\Steamworks Shared/_CommonRedist.bak/OpenAL/2.0.7.0/oalinst.exe
..\Steam\SteamApps\common\Steamworks Shared/_CommonRedist.bak/PhysX/9.14.0702/PhysX-9.14.0702-SystemSoftware.msi
..\Steam\SteamApps\common\Steamworks Shared/_CommonRedist.bak/vcredist/2022/VC_redist.x64.exe
..\Steam\SteamApps\common\Steamworks Shared/_CommonRedist.bak/XNA/4.0/xnafx40_redist.msi