How to fix unitplayer.dll caused an access violation 0xc0000005 steps


Imagine you’re engrossed in a high-stakes video game, racing against time to complete a mission. Just as you’re about to make your final move, your screen freezes, and a cryptic error message pops up: “unitplayer.dll caused an access violation 0xc0000005.” Frustration sets in as you’re forced to restart the game or even your entire computer, potentially losing hours of progress.

This scenario is not uncommon in the world of computing, where error messages like the one above can disrupt our workflow, gaming experiences, or even essential tasks. However, fear not! In this article, we will delve deep into the intricacies of this particular error message, exploring its root causes, understanding common error codes, and comprehensively addressing various methods to fix it.

Understanding the “unitplayer.dll Caused an Access Violation 0xc0000005” Error

Before we dive into the solutions, it’s crucial to understand the potential reasons behind this error:

  1. Corrupted DLL Files: DLL (Dynamic Link Library) files are integral to many Windows applications. If the “unitplayer.dll” file is corrupted, it can trigger access violations.
  2. Incompatible Software: Software applications may conflict with each other or with your operating system, leading to access violations.
  3. Outdated Drivers: Outdated or incompatible device drivers can also result in this error.
  4. Memory Issues: Problems with your computer’s RAM or virtual memory can cause access violations.
  5. Malware or Virus Infections: Malicious software can corrupt system files, leading to errors like this.
  6. Hardware Problems: Faulty hardware components, such as RAM or hard drives, can trigger access violations.

Common Error Codes with Examples

In addition to “unitplayer.dll caused an access violation 0xc0000005,” you may encounter various error codes indicating different issues. Here are a couple of common ones:

0x0000005 (Access Violation): This error code signifies that a program attempted to access a memory location it shouldn’t. For example, if a game tries to write to a read-only memory address, it will result in this error.

0xC000000D (Invalid Parameter): This error indicates that a program passed an invalid parameter to a system function. An example could be a software application attempting to read a non-existent file.

Now, let’s explore the diverse methods to fix the “unitplayer.dll caused an access violation 0xc0000005” error.

Methods to Fix the Error

1. Automatic Solutions:

a. Windows Update: Ensure your operating system is up-to-date. Windows updates often include fixes for known issues.

b. Driver Updates: Use driver update software to automatically update your device drivers.

c. Anti-Malware Scans: Run a full system scan with reputable anti-malware software to detect and remove any malicious programs.

2. Manual Solutions:

a. DLL Replacement: Replace the “unitplayer.dll” file with a fresh copy from a trusted source. Ensure it matches your operating system version.

b. Software Compatibility Mode: Try running the problematic application in compatibility mode. Right-click on the program executable, go to Properties, and under the Compatibility tab, select an older version of Windows.

c. Memory Test: Use Windows Memory Diagnostic to check for RAM issues. Type “Windows Memory Diagnostic” in the Start menu search bar, then follow the on-screen instructions.

d. Hardware Inspection: Physically inspect your computer’s hardware components for any signs of damage or loose connections.


The “unitplayer.dll caused an access violation 0xc0000005” error can be a vexing obstacle, but armed with the knowledge of its causes and an array of potential solutions, you can overcome it. Whether you opt for automatic fixes or manual troubleshooting, patience and persistence will be your allies in resolving this error and enjoying uninterrupted computing experiences.


Q1: Can I fix this error without reinstalling the operating system? A: Yes, in most cases, you can resolve the error without reinstalling the operating system. Try the methods mentioned in this article first.

Q2: What if the error persists after trying all the methods? A: If the error persists, it might be indicative of a deeper hardware issue. Consider seeking professional help or contacting the software developer’s support team for assistance.

Q3: Is it safe to download DLL files from the internet? A: It’s not recommended to download DLL files from random websites. Stick to reputable sources or use official installation media for your software.

Q4: Can outdated graphics drivers cause this error? A: Yes, outdated graphics drivers can be a potential cause. Make sure to update your graphics drivers regularly to avoid such issues.

Sakshi Anant Author