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How to Fix Windows ERROR_336: Step-by-Step Troubleshooting Guide


Encountering a Windows error can be frustrating, especially if the error code gives little indication of the root cause. One such error that many users face is ERROR_336. If you’ve run into this error on your Windows system, don’t worry! This comprehensive, easy-to-follow guide will walk you through troubleshooting and fixing Windows ERROR_336 step-by-step.


What is Windows ERROR_336?

Before diving into the fix, it’s helpful to understand what ERROR_336 is about. Typically, ERROR_336 points to issues with a corrupted or missing system DLL (Dynamic Link Library) file, or errors related to system file integrity, often as a result of software conflicts or malware. It might occur during application installs, system startup, or while running specific programs.


Step 1: Restart Your Computer

Sometimes, a simple reboot can solve temporary glitches causing the error.

  • Save your work and close all applications.
  • Click Start > Power > Restart.
  • Once restarted, check if the issue persists.

If the error remains, proceed to the next steps.


Step 2: Run Windows System File Checker (SFC)

System File Checker is a built-in tool designed to scan for and repair corrupted system files.

  1. Press Windows + S and type cmd.
  2. Right-click Command Prompt and select Run as administrator.
  3. In the Command Prompt window, type:

    sfc /scannow

  4. Press Enter.
  5. The scan will start and may take several minutes. Please wait for it to complete.
  6. After the scan, review the results:

    • If files were repaired, restart the computer and check if the error clears.
    • If no issues were found, or the error remains, continue to the next step.


Step 3: Use the Deployment Image Servicing and Management (DISM) Tool

DISM can repair the Windows image and fix issues that SFC cannot.

  1. Open Command Prompt as an administrator (see Step 2).
  2. Type and run the following commands one by one:

    DISM /Online /Cleanup-Image /CheckHealth
    DISM /Online /Cleanup-Image /ScanHealth
    DISM /Online /Cleanup-Image /RestoreHealth

  3. These commands may take a while to complete. Please be patient.
  4. After completion, reboot your system and check if the issue persists.


Step 4: Check for Windows Updates

Microsoft regularly releases updates that can fix system bugs and glitches.

  • Go to Start > Settings > Update & Security > Windows Update.
  • Click Check for updates.
  • Install any available updates.
  • Restart your computer after updates are installed.


Step 5: Scan for Malware and Viruses

Malware or viruses can cause system errors such as ERROR_336.

  • Use your installed antivirus software to run a full system scan.
  • Alternatively, use Windows Defender:

    • Go to Start > Settings > Update & Security > Windows Security > Virus & threat protection.
    • Click Quick scan or Full scan for deeper checking.
  • Follow any instructions to remove detected threats.
  • Restart the PC and see if the error resolves.


Step 6: Perform a Clean Boot to Identify Software Conflicts

Conflicting third-party software or services may trigger errors.

  1. Press Windows + R, type msconfig, and press Enter.
  2. In the System Configuration window, go to the Services tab.
  3. Check Hide all Microsoft services.
  4. Click Disable all.
  5. Next, go to the Startup tab and click Open Task Manager.
  6. Disable all startup items.
  7. Close Task Manager and click OK on the System Configuration window.
  8. Restart your computer.

If the error disappears after clean boot, it indicates a software conflict. Re-enable services and startup items one by one to identify the culprit.


Step 7: Restore Your System to an Earlier Point

If ERROR_336 started occurring recently, system restore can help undo problematic changes.

  1. Use the search bar and type Create a restore point, then open it.
  2. Click System Restore.
  3. Follow the prompts to select a restore point dated before the error began.
  4. Confirm and wait for restoration to complete.
  5. The computer will reboot; check if your problem is fixed.


Step 8: Reinstall Problematic Applications or Drivers

If you see ERROR_336 when launching a specific program or device, reinstalling the program or the driver may help.

  • Uninstall the program or driver via Control Panel > Programs and Features.
  • Download the latest version from a trusted source or the manufacturer’s website.
  • Install the software and reboot.


Step 9: Contact Microsoft Support or Visit Professional Help

If none of the above methods work, it might be time to get expert help.

  • Visit the official Microsoft Support site.
  • Describe your problem for personalized troubleshooting.
  • Alternatively, take your computer to a certified technician.


Final Thoughts

Fixing Windows ERROR_336 might seem daunting but following this thorough troubleshooting guide will help you resolve this common error efficiently. Regular system maintenance, keeping your Windows updated, and using good antivirus protection are essential practices to prevent future errors.

If you found this guide useful, share it with others who might be struggling with the same issue!


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If you have additional questions or need further assistance, feel free to ask!

Updated on June 19, 2025
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