Cracking the Code: A Comprehensive Guide to Fixing BSOD Error 0x00000015  

Blue Screen of Death (BSOD) errors are infamous for disrupting workflow and leaving users scratching their heads. Among these, error code 0x00000015 is relatively uncommon and often accompanied by the message “LAST_CHANCE_CALLED_FROM_KMODE.” Though rare, it indicates critical system-level issues that demand immediate attention.  

What is BSOD Error 0x00000015?  

BSOD error 0x00000015 is a Windows stop code that occurs when the operating system detects a critical issue in the kernel mode (KMODE). This refers to the core part of the OS where essential processes and drivers operate.  

The error’s accompanying message, "LAST_CHANCE_CALLED_FROM_KMODE," signifies that the system encountered an irrecoverable error during kernel execution. Windows resorts to displaying a BSOD to protect the system from further damage, such as data corruption or hardware failure.  

What Causes BSOD Error 0x00000015?  

Several underlying factors can trigger error code 0x00000015, including:  

1. Faulty or Corrupt Device Drivers  

Outdated, incompatible, or corrupt drivers can cause kernel-mode errors by interfering with the operating system’s processes.  

2. Hardware Malfunction or Incompatibility  

Faulty hardware components, such as RAM, storage drives, or peripheral devices, may cause conflicts that lead to a BSOD.  

3. Corrupt System Files  

Corruption in essential Windows system files can disrupt kernel-mode operations, resulting in stop errors like 0x00000015.  

4. Malware or Security Software Conflicts  

Malicious software or poorly configured antivirus tools can tamper with system processes, triggering kernel errors.  

5. Overclocking or Unstable BIOS Settings  

Overclocking or inappropriate BIOS settings can push hardware beyond its limits, causing instability.  

6. Insufficient Power Supply or Heating Issues  

Power interruptions or overheating of critical components can lead to kernel-level crashes.  

How to Fix BSOD Error 0x00000015  

Follow these troubleshooting steps to resolve the issue:  

1. Boot Into Safe Mode  

Since BSOD errors often make normal operation impossible, start by booting into Safe Mode:  

1. Restart your PC and press F8 (or the appropriate key for your system) repeatedly during boot.  

2. Select Safe Mode with Networking from the menu.  

This minimal environment allows you to perform fixes without interference from unnecessary processes or drivers.  

2. Update or Roll Back Drivers  

Update Drivers:  

•   Open Device Manager (Press Win + X > Device Manager).  
•   Expand categories, right-click problematic devices, and choose Update Driver.  
•   Follow the prompts to search for updated drivers online.  

Roll Back Drivers:  

•   In Device Manager, right-click the problematic driver.  
•   Select Properties > Driver tab > Roll Back Driver to revert to a previous version.  

3. Run a System File Check (SFC)  

The SFC tool scans for and repairs corrupted system files:  

1. Open the Command Prompt as Administrator (Press Win + S, type "cmd," right-click, and choose Run as Administrator).  

2. Type:     ```     sfc /scannow     ```  

3. Press Enter and allow the scan to complete.  

4. Check for Malware  

Perform a full system scan using reliable antivirus software. Alternatively, use Windows Security:  

1. Open Settings > Privacy & Security > Windows Security > Virus & Threat Protection.  

2. Run a full scan and remove detected threats.  

5. Test Hardware for Errors  

RAM Test: Use the Windows Memory Diagnostic tool:  

  1. Type "Windows Memory Diagnostic" in the search bar and open it.  

  2. Select Restart now and check for problems.  

Hard Drive Test:  

  1. Run the Check Disk tool by typing the following in Command Prompt:  

     ```       chkdsk /f /r       ```  

  2. Press Enter and restart your computer if prompted.  

6. Disable Overclocking  

If you’re overclocking your CPU or GPU, revert to default settings:  

1. Enter the BIOS/UEFI during startup (usually by pressing Del or F2).  

2. Reset the BIOS to default settings.  

7. Perform a Clean Boot  

Isolate software conflicts by performing a clean boot:  

1. Open the Run dialog (Win + R) and type msconfig.  

2. Navigate to the Services tab, check Hide all Microsoft services, and click Disable all.  

3. Go to the Startup tab > Open Task Manager, and disable all startup items.  

4. Restart your PC.  

8. Restore or Reinstall Windows  

System Restore:  

  1. Type "System Restore" in the search bar and follow the prompts to restore to a previous point.  

Reinstall Windows: If all else fails, back up your data and reinstall the OS to eliminate deeper corruption issues.  

How to Prevent BSOD Error 0x00000015  

1. Keep Drivers Updated: Regularly update drivers using trusted sources or driver management tools.  

2. Install Quality Updates: Always install the latest Windows updates to ensure system stability and security.  

3. Avoid Overclocking: Operate hardware at manufacturer-recommended speeds.  

4. Run Periodic Malware Scans: Use antivirus software to protect against malicious threats.  

5. Ensure Proper Cooling: Maintain adequate cooling to prevent hardware overheating.  

6. Perform Regular Maintenance: Use disk cleanup and defragmentation tools to optimize system performance.  

Final Thoughts  

BSOD error 0x00000015 may be uncommon, but it often points to critical system issues that shouldn’t be ignored. With the steps outlined above, you can effectively troubleshoot and resolve this error. By taking preventive measures, you can significantly reduce the risk of encountering it in the future.  

Stay proactive with system maintenance and keep your computer running smoothly to avoid disruptions caused by kernel-mode errors. 

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