Buttknight Crash on Startup, Black Screen, Missing DLL & Controller Fix (2026)

Quick Fix for Buttknight Crashes & Black Screen: Over 90% of startup crashes, black screens, and missing DLL errors in Buttknight (Latest v2026 Build) 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.

→ Download Clean Verified Build of Buttknight (Latest v2026 Build)

Common Buttknight Errors & Proven Solutions

Quick Game Overview & Verification Verified 100% Working

Buttknight 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 755.19 MB. Pre-installed, DRM-free, verified clean, and ready to play offline with full gamepad support.

Platform
Windows
Build / Version
v2026
Download Size
755.19 MB
File Integrity
SHA-256 Passed
Issue / Error MessageRoot CauseStep-by-Step Fix
Crash on Startup / Silent ExitMissing Visual C++ Runtime or Admin privilegesInstall VC++ 2015–2022 (x86 & x64) and enable Run this program as an administrator in Properties → Compatibility.
Missing MSVCP140.dll / VCRUNTIME140.dllCorrupted Microsoft C++ runtime librariesReinstall the official Microsoft Visual C++ Redistributable package and reboot your PC.
missing steam_api64.dll / emp.dllWindows Defender quarantined the offline loaderOpen Windows Security → Protection History, restore the quarantined file, and whitelist the game folder.
Black Screen with Audio PlayingFullscreen resolution or overlay conflictPress Alt + Enter to switch to windowed mode, disable Discord/GeForce overlays, and update GPU drivers.
Controller Not WorkingSteam Input or XInput device priorityAdd Buttknight 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 Buttknight

Dive into a hilarious and risqué adventure as you take on the role of the legendary ButtKnight, a hero summoned from retirement to rescue the kingdom's maidens from the clutches of evil. This action-packed platformer combines quirky humor with classic knightly challenges, placing you in a vibrant, chaotic world where you're tasked with battling hordes of underworld minions and colossal bosses to reclaim kidnapped princesses.

As you navigate through varied levels, you can wield an array of weapons, gather power-ups, and utilize distinct items to enhance your combat prowess. The more skillfully you play, the more adult-themed surprises await you in the form of cheeky character interactions. With its unique blend of humor and action, this game is perfect for fans of over-the-top adventures and those who appreciate a touch of irreverence.

Buttknight Free Download

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 Buttknight.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 Buttknight folder and run the setup application. Accept the EULA, and install the game. Then, launch the game through the desktop shortcut.

Buttknight Free Download


Buttknight
Size: 755.19 MB

 

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

  • Requires a 64-bit processor and operating system
  • OS *: Microsoft Windows 7 / 8 / 10
  • Processor: Dual Core processor
  • Memory: 1 GB RAM
  • Graphics: Integrated
  • DirectX: Version 9.0
  • Storage: 1 GB available space
  • Sound Card: Onboard

Screenshots

Buttknight PC Screenshot

Buttknight Gameplay Screenshot

Buttknight – Technical Overview & Release Details

Buttknight (Latest Full Build) is available on GOG Unlocked as a verified, complete release in the PC Games catalog. Every archive hosted in our repository is checked for file integrity so players can download, configure, and launch Buttknight without missing assets, corrupted packages, or unnecessary third-party launchers. Whether you are archiving a classic release or testing performance on modern hardware and handheld devices, the specifications and setup instructions below cover everything required for a smooth installation.

System Requirements & Compatibility Matrix

Before downloading Buttknight, review the hardware and platform compatibility table below to confirm your setup meets the recommended specifications:

System ComponentMinimum PC Requirements (1080p Low/Med)Recommended PC Requirements (1080p/1440p High)
Operating SystemWindows 10 (64-bit)Windows 10 / Windows 11 (64-bit) / SteamOS
Processor (CPU)Intel Core i3 / AMD Ryzen 3 Dual-Core (2.8 GHz+)Intel Core i5 / AMD Ryzen 5 Quad-Core (3.4 GHz+)
Memory (RAM)8 GB RAM16 GB Dual-Channel RAM
Graphics Card (GPU)DirectX 11 / Vulkan Compatible (2 GB VRAM)NVIDIA GeForce GTX 1660 / AMD RX 5600 XT (6 GB+ VRAM)
Release FormatOfficial GOG Offline Backup Installer (DRM-Free Setup)Latest Full Build (755.19 MB)

How to Install & Configure Buttknight (Latest Full Build)

Follow this step-by-step checklist to install and verify Buttknight without common extraction or startup errors:

  1. Download the Full Release: Use the verified direct download links below to grab the Buttknight (Latest Full Build) archive.
  2. Extract or Run Setup: Extract the archive to a dedicated games folder using 7-Zip or WinRAR (avoid installing inside restricted system folders like C:\Program Files).
  3. Verify Dependencies: If prompted on first launch, install the bundled DirectX, Visual C++ Redistributables, and .NET runtime packages located in the _CommonRedist folder.
  4. Launch as Administrator: Right-click the main game executable and choose Run as administrator so local save files and configuration profiles write cleanly.

Troubleshooting & Optimization Tips

  • Archive Extraction Errors: Always use the latest 64-bit build of 7-Zip or WinRAR and ensure your destination drive has at least 2x the archive size in free space during unpacking.
  • Missing DLL or Black Screen on Launch: Install both vc_redist.x64.exe and vc_redist.x86.exe, update your GPU drivers, and add the game folder to your Windows Defender exclusion list so real-time scanning does not quarantine game binaries.
  • Controller & Steam Deck Compatibility: Buttknight can be added as a Non-Steam Game using Proton GE on SteamOS/Linux, with Steam Input enabled for automatic gamepad mapping.

Frequently Asked Questions & Setup Guide

Q: How do I fix Buttknight 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 Buttknight?
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 Buttknight?
Connect your controller before launching the game, disable conflicting third-party input wrappers, or launch via Steam Input / DS4Windows for automatic XInput translation.