The 0xC0000005 Application Error, also known as an access violation error, occurs when a program is unable to access the memory or resources it needs to run properly. This issue can prevent applications from launching, cause unexpected crashes, or display messages such as “The application was unable to start correctly (0xc0000005).”

Fortunately, there are several methods you can use to diagnose and fix the problem.

What Causes Error 0xC0000005?

This error can occur due to various reasons, including:

• Corrupted system files.
• Faulty RAM modules.
• Outdated or incompatible drivers.
• Malware infections.
• Damaged application files.
• Conflicts with antivirus software.
• Problems caused by recent Windows updates.

Method 1: Restart Your Computer

Temporary glitches can sometimes trigger application errors. Restart your computer and try launching the affected program again.

Method 2: Repair Corrupted System Files

Corrupted Windows files are one of the most common causes of error 0xC0000005.

Run SFC Scan

1. Open Command Prompt as Administrator.
2. Enter the following command:

sfc /scannow

3. Wait for the scan to complete.
4. Restart your PC.

Run DISM

Open Command Prompt as Administrator and run:

DISM /Online /Cleanup-Image /RestoreHealth

Restart the computer after the process finishes.

Method 3: Reinstall the Problematic Application

If the error only affects one program:

1. Open Settings.
2. Go to Apps > Installed Apps.
3. Uninstall the affected application.
4. Download the latest version from the developer.
5. Reinstall the program.

Method 4: Run Windows Memory Diagnostic

Faulty memory can cause access violation errors.

1. Press Windows + R.
2. Type:

mdsched.exe

3. Press Enter.
4. Select Restart now and check for problems.
5. Wait for Windows to complete the memory test.

Method 5: Scan for Malware

Malware infections may damage files or interfere with applications.

1. Open Windows Security.
2. Select Virus & threat protection.
3. Click Scan options.
4. Choose Full scan.
5. Start the scan and remove any detected threats.

Method 6: Update Drivers

Outdated drivers can sometimes lead to application crashes.

1. Right-click the Start button.
2. Select Device Manager.
3. Expand the appropriate category.
4. Right-click the device and select Update driver.
5. Install any available updates.

Method 7: Perform a System Restore

If the problem started recently, restoring Windows to an earlier state may help.

1. Search for Create a restore point.
2. Open System Restore.
3. Choose a restore point created before the error appeared.
4. Complete the restoration process.