[PC][Steam] Game Crashes After Launch – Unable to Play Prototype Despite Reinstalling & Trying Fixes

Hi everyone,

I’m having serious trouble trying to play Prototype (Steam version) on my Windows 11 PC. I purchased the game on 6th July, but wasn’t able to try it until recently due to time constraints. Unfortunately, every time I launch it, the game crashes immediately after the difficulty selection screen, or sometimes even right after launching from the .exe file directly.

⚠️ Situation So Far: • I have only 7 minutes of total playtime, which was just spent navigating the menu and checking settings — I never got into actual gameplay. • Since it’s now been over 14 days since purchase, Steam has refused to process a refund, despite being well under the 2-hour limit. • I really want to play the game, but it simply won’t run.

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💻 What I’ve Tried: • ✅ Verified integrity of game files via Steam. • ✅ Located and set compatibility settings on prototypef.exe (not the launcher or PEF). • Compatibility mode: Windows 7 • Run as administrator • Disabled fullscreen optimizations • ✅ Installed vcredist_x86.exe and DirectX 9 using the included DXSETUP.exe. • ✅ Adjusted desktop resolution to 1920x1080 @ 60Hz. • ✅ Attempted launching directly from prototypef.exe instead of through Steam. • ✅ Reinstalled the game twice.

Despite all of this, the game still crashes instantly — either right after launch or when choosing difficulty.

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❓ System Info: • OS: Windows 11 • Laptop: ASUS TUF Gaming F15 • GPU: NVIDIA RTX 3050 • RAM: 16 GB • Game Version: Steam digital copy

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🆘 What I Need Help With:

If anyone has experienced this or knows a reliable fix — especially for Windows 10/11 systems — I’d be super grateful. I’ve heard that Prototype has compatibility issues on modern machines, but I’d love to know if there’s a reliable patch, mod, or workaround that could get the game running.

Thanks in advance!