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Hello, I am experiencing a launch failure with ReShade in Euro Truck Simulator 2. Description of the issue: 

• When ReShade is installed, ETS2 does not launch at all.
• In Steam, I click Play, it shows Launching, and then it immediately returns to Play.
• No game window appears.
• When ReShade is completely removed, the game launches and works normally.

  Important details: 

• This happens even with a clean ReShade installation, without loading any preset.
• The preset is not the cause.
• The issue occurs with ReShade installed alone.
• The only time the game reached the main menu was when forcing OpenGL (test only).
• Even in OpenGL, the game crashes when loading a save (entering the 3D world).
• Using DirectX 11, the game does not launch at all with ReShade.

  Additional context: 

• I initially noticed this issue while testing the Project Next-Gen (PNG) graphics mod.
• However, the problem persists after removing PNG and all other mods.
• Therefore, PNG does not appear to be the cause.

  Steps already tested: 

• Clean reinstall of Euro Truck Simulator 2
• No mods installed
• DirectX 11
• OpenGL (test only)
• Renaming dxgi.dll to d3d11.dll
• Clean ReShade install (no preset)
• GPU drivers up to date

  Result: 

• Without ReShade → game launches normally
• With ReShade → game fails to launch (Steam returns to “Play”)

  This appears to be a compatibility issue between ReShade and ETS2’s rendering pipeline on my system. Thank you for your time.

Unable to save configuration and/or current preset. 
Please ensure file permissions allow write access to these paths and their parent directories:
C:\Program Files (x86)\Steam\steamapps\common\Grand Theft Auto V Enhanced\Reshade.ini
C:\Program Files (x86)\Steam\steamapps\common\Grand Theft Auto V Enhanced\NVE.iniI’ve tried everything I found online, but nothing works.Can anyone help fix this?

What if it never was an issue before? This just started to happen after the latest update (6.4.1). Like it doesn't save no matter how much I try. and I have never had that issue before with Reshade when I update or with other versions. I dont make my own presets.

As above I'm trying to save my preset for Advent Re-Shade and it's no working I just get this and don't know how to fix it.

https://media.discordapp.net/attachments/697309112223924274/1353578161656303626/Screenshot_2025-03-23_222224.png?ex=67e22966&is=67e0d7e6&hm=7fc76484f41e21090c65effcd307f421e658b952a638eb1c47e01b9829e18326&=&format=webp&quality=lossless

On 6.3.3, file writes to reshade.ini are quite predictable. In-game, when I transition to a new preset, there's a save operation; each color bar in the Process Monitor screenshot belor represents a file access from the game (I'm assuming to save
(Please ignore the first color marker, it was wrongly placed for Explorer.EXE.)
https://github.com/user-attachments/assets/a6096df2-45dc-4ceb-9e82-e83ba98e08f6

On 6.4.0, though, ReShade.ini is accessed frequently as long as the ReShade UI is shown in-game:

https://github.com/user-attachments/assets/f692e71f-3193-4bf6-9e41-06464795b4a1

I don't know if this an intended behavior, but it popped up as I was investigating a reported issue from another ReShade user that updated to 6.4.0; they reported that the Global Alpha value was being overwritten every time a new preset was loaded, with the value decreasing each time (the UI turning more and more transparent.) I wasn't able to reproduce the issue, but noticed this while doing root-cause investigation.

Thanks for your attention on this!