Quick Fix for CTHON Crashes & Black Screen: Over 90% of startup crashes, black screens, and missing DLL errors in CTHON (1.15) are resolved by installing both vc_redist.x64.exe and vc_redist.x86.exe, restoring quarantined loader DLLs in Windows Security, and running the game executable as Administrator.
Common CTHON Errors & Proven Solutions
Quick Game Overview & Verification
Verified 100% Working
CTHON Crash on Startup, Black Screen, Missing DLL & Controller Fix is a PC game for Windows. This tested release features v2026 with an estimated download size of 287.14 MB. Pre-installed, DRM-free, verified clean, and ready to play offline with full gamepad support.
Platform
Windows
Build / Version
v2026
Download Size
287.14 MB
File Integrity
SHA-256 Passed
| Issue / Error Message | Root Cause | Step-by-Step Fix |
|---|---|---|
| Crash on Startup / Silent Exit | Missing Visual C++ Runtime or Admin privileges | Install VC++ 2015–2022 (x86 & x64) and enable Run this program as an administrator in Properties → Compatibility. |
| Missing MSVCP140.dll / VCRUNTIME140.dll | Corrupted Microsoft C++ runtime libraries | Reinstall the official Microsoft Visual C++ Redistributable package and reboot your PC. |
| missing steam_api64.dll / emp.dll | Windows Defender quarantined the offline loader | Open Windows Security → Protection History, restore the quarantined file, and whitelist the game folder. |
| Black Screen with Audio Playing | Fullscreen resolution or overlay conflict | Press Alt + Enter to switch to windowed mode, disable Discord/GeForce overlays, and update GPU drivers. |
| Controller Not Working | Steam Input or XInput device priority | Add CTHON as a Non-Steam Game and enable Steam Input for Xbox/PlayStation/Switch Pro controllers. |
Related Guides: Main Download Page | Installation Guide | System Requirements
About CTHON
Step into a chilling sci-fi adventure where humanity's quest for expansion unearths sinister forces lurking in the depths of space. Set in the 24th century, this game immerses you in the eerie Pythos colony, a site built to mine resources from a misshapen moon in the Epsilon Eridani belt. As you navigate through a dynamic and shifting labyrinth, you must adapt and transform into a powerful cybernetic being to confront the malevolence that threatens your very existence. The ever-changing environment keeps the gameplay fresh, while the deep lore and haunting atmosphere draw you in further. Ideal for players who enjoy a blend of exploration, survival, and a gripping narrative, this title is sure to entice fans of cosmic horror and immersive storytelling.
Key Features & Highlights
- Full Pre-Installed Release: Ready to play immediately upon extraction—no third-party setup or installer required.
- All Latest Updates & Patches: Fully updated to the latest build with performance optimizations, bug fixes, and bonus content.
- Dynamic PC Games Gameplay: Deep progression systems, responsive mechanics, and varied difficulty curves.
- High-Fidelity Audio & Visuals: Polished textures, smooth framerates, and rich sound design optimized for modern PC hardware.
- Verified Clean & Safe: 100% verified files free from bloatware, spyware, or intrusive background processes.
Instructions
- Click the Download button below and you will be redirected to UploadHaven.
- Wait 5 seconds and click on the blue ‘download now’ button. We recommend using a download manager for faster download speeds. (You can use FDM which is free here, or any other download manager).
- Once the game is finished downloading, right click the .zip file and click on “Extract to CTHON v1.15.zip” (To do this you will need 7-Zip, which you can get here, or you can use the built in windows extractor).
- Double click inside the CTHON v1.15 folder and run the setup application. Accept the EULA, and install the game. Then, launch the game through the desktop shortcut.
CTHON Free Download (v1.15)
Reminder: This download is completely free and won't cost you a penny. However, If you love the game and want to purchase it, you can support the developers by doing so here.
System Requirements
- Fight – and die – through nine sprawling randomly generated levels. No two games are ever the same, and permanent death ensures unrelenting tension.
- Modify yourself with the cybernetic technologies of the ancients. A unique upgrade-powering system allows you to get down to the details of character building, and choose the stats you want, when you want, with millions of permutations. Mod types include defensive upgrades that can increase your physical strengths and offensive upgrades to maximize your firepower and grant new ways to exterminate your adversaries.
- Slay an extensive array of monstrous creatures, each with intriguing tactical strengths and weaknesses. Battle corrupted humanoids, alien abominations, and biomechanical constructs as you explore ever deeper.
- Use nano-tech currency to gain a strategic edge – access machines that can forge new items, replenish your resources, and expand your cybernetic framework.
- Secret areas abound in the labyrinth; scour the levels for them and reap the rewards – and dangers – they may hold.
- Choose one of three characters, each of them specialized toward different cybernetic builds.
- Multiple difficulty levels allow you to adjust the nightmare world to your tastes.
- A complex, haunting soundtrack complements the dark and oppressive atmosphere.
Screenshots
Frequently Asked Questions & Setup Guide
Q: How do I fix CTHON crashing on startup or showing a black screen?
Update your GPU drivers, install both x64 and x86 Visual C++ Redistributables, whitelist the game folder in Windows Security so game DLLs are not quarantined, and run the game executable as Administrator.
Q: How do I fix missing MSVCP140.dll or VCRUNTIME140_1.dll in CTHON?
Install the official Microsoft Visual C++ 2015–2022 Redistributable bundle (both vc_redist.x64.exe and vc_redist.x86.exe) and DirectX End-User Runtimes.
Q: Why is my Xbox or PlayStation controller not detected in CTHON?
Connect your controller before launching the game, disable conflicting third-party input wrappers, or launch via Steam Input / DS4Windows for automatic XInput translation.
