Error Codes Updated: 2025-12-05

How to Fix Error 0xc0000005 - Access Violation

STATUS_ACCESS_VIOLATION - The application tried to access memory it shouldn't. This guide provides specific solutions for the 0xc0000005 error.

By System Admin Team
Verified 2025-12-16

What Does This Error Actually Mean?

Running into How to Fix Error 0xc0000005 - Access Violation? Many users report this issue.

Quick Fix (Works for 80% of Users)

Why this works: DEP is a security feature that can conflict with older applications.

### Steps:

Step 1: Press Win + R, type sysdm.cpl, press Enter

Step 2: Go to Advanced tab �?Performance Settings

Step 3: Click Data Execution Prevention tab

Step 4: Select "Turn on DEP for all programs except those I select"

Step 5: Click Add and browse to the problematic application

Step 6: Click OK and restart

Solution 2: Test RAM for Errors

Why this works: Faulty RAM causes random memory access violations.

### Steps:

Step 1: Press Win + R, type mdsched.exe, press Enter

Step 2: Click "Restart now and check for problems"

Step 3: Wait for the test to complete (10-20 minutes)

Step 4: Check results in Event Viewer �?Windows Logs �?System

Solution 3: Update or Roll Back Graphics Drivers

Why this works: GPU drivers interact heavily with system memory.

### Steps:

Step 1: Press Win + X �?Device Manager

Step 2: Expand Display adapters

Step 3: Right-click your GPU �?Update driver

Step 4: Or: Properties �?Driver tab �?Roll Back Driver

Step 5: Restart your computer

Command Line Repair

For advanced users, these commands can repair the underlying system issues:

``batch bcdedit /set nx OptIn `

How to run: Press Win + X`, select "Terminal (Admin)", paste the command, and press Enter.

Preventing Future Occurrences

Once you've fixed the 0XC0000005 error, here's how to prevent it from returning:

### System Maintenance - Keep Windows Updated: Enable automatic updates - Regular SFC Scans: Run sfc /scannow monthly - Monitor Disk Health: Use CrystalDiskInfo

### Software Practices - Install Runtimes First: Ensure Visual C++ and DirectX are current - Use Official Sources: Only download from trusted sources - Create Restore Points: Before major software installations

### Best Practices for System Health

- Regular Backups: Protect your system with periodic backups - Monitor Disk Space: Ensure adequate free space on your system drive - Update Drivers: Keep hardware drivers current - Scan for Malware: Run periodic security scans - Clean Temporary Files: Remove unnecessary cached data

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