Crash in nllnethub.sys

Norton Security | Norton Internet Security
2

Hello @robert_scardapane
Product & version number:

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Norton Security 25.11.10580 for Windows is now available!
https://community.norton.com/t/norton-security-25-11-10580-for-windows-is-now-available/469184

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UI Version: 1.0.111 has been released to fix the issue of “Norton360 Makes Keyboard unusable - constantly grabs focus”. Please run Norton LiveUpdate and Restart the system to check if the fix is working.

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AI Mode
The nllnethub.sys file is a system driver associated with networking or VPN (Virtual Private Network) applications, and crashes related to it are most often caused by faulty, outdated, or incompatible drivers, or potentially by security software conflicts.

Here are the recommended steps to troubleshoot and resolve the crashes:

Primary Causes & Solutions

  • Third-Party Security Software Conflicts: The nllnethub.sys driver is frequently linked to security programs like Norton Security.
    • Solution: Temporarily uninstall any third-party antivirus or VPN software (e.g., Norton) to check if the crashes stop. Windows Security will automatically provide basic protection in the meantime. If the system becomes stable, you may need to contact the software’s support or consider an alternative solution.
  • Outdated/Corrupt Network Drivers: Outdated or corrupt network drivers are a common cause of BSODs (Blue Screen of Death) involving system drivers.
    • Solution: Update your network drivers by visiting your computer manufacturer’s website or the network adapter manufacturer’s website (e.g., Intel, Killer Networking) to download and install the latest version for your specific model. You can do this via the Device Manager (right-click Start menu, select Device Manager, expand Network adapters, right-click your adapter, and choose Update driver).

General Troubleshooting Steps

If the above solutions do not work, proceed with these general steps to rule out other system issues:

  • Check for Windows Updates: Ensure your operating system is fully up to date, as Microsoft frequently releases bug fixes.
  • Run System File Checker (SFC) and DISM scans: These tools can automatically find and repair corrupted system files.
    1. Type CMD in the search bar, right-click Command Prompt, and select Run as administrator.
    2. Type the following command and press Enter: DISM.exe /Online /Cleanup-image /Restorehealth.
    3. Once that process finishes, type this command and press Enter: sfc /scannow.
    4. Restart your computer after the scans are complete.
  • Check System Memory (RAM) for Errors: Faulty RAM can cause various BSOD errors.
    • Solution: Type Windows Memory Diagnostic in the Start menu search bar, run the tool, and restart your PC to check for issues.
  • Analyze Minidump Files: For a more detailed analysis, you can locate and analyze the minidump files created during the crash. These files often pinpoint the exact driver or process that caused the crash. They are located in C:\Windows\Minidump.
  • Perform a System Restore: If the crashes started recently, you can use System Restore to revert your system to a previous working state before the issue began.

If the problem persists after these steps, it may indicate a deeper hardware problem, and you should consider contacting your computer’s manufacturer support or a local technician.

AI Mode may make mistakes