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How to Fix C Windows System32 Rundll32.exe Error on Windows 10

Rundll32.exe is a Windows system file that is used to run DLL (Dynamic Link Library) files. DLL files contain code that can be shared by multiple programs and processes on your computer. However, sometimes rundll32.exe can cause errors due to corrupted or missing DLL files, malware infection, or incorrect registry entries. In this article, we will show you how to fix c windows system32 rundll32.exe error on Windows 10 using different methods.

Method 1: Run System File Checker (SFC)

System File Checker is a built-in tool that can scan and repair corrupted or missing system files, including rundll32.exe. To run SFC, follow these steps:

• Press Windows + X keys and select Command Prompt (Admin) or Windows PowerShell (Admin).

• Type sfc /scannow and press Enter. The scan may take some time to complete.

• If SFC finds and fixes any issues, restart your computer and check if the error is resolved.

Method 2: Run DISM (Deployment Image Servicing and Management)

DISM is another built-in tool that can repair Windows image files and system components. To run DISM, follow these steps:

• Open Command Prompt or PowerShell as an administrator as in Method 1.

• Type DISM /Online /Cleanup-Image /RestoreHealth and press Enter. The scan may take some time to complete.

• If DISM finds and fixes any issues, restart your computer and check if the error is resolved.

Method 3: Scan Your Computer for Malware

Malware can sometimes disguise itself as rundll32.exe or use it to execute malicious code on your computer. To scan your computer for malware, you can use Windows Defender or any third-party antivirus software of your choice. To use Windows Defender, follow these steps:

• Press Windows + I keys and select Update & Security.

• Select Windows Security from the left pane and click on Virus & threat protection.

• Click on Scan options and select Full scan. Then click on Scan now.

• If Windows Defender detects any threats, follow the instructions to remove them.

• Restart your computer and check if the error is resolved.

Method 4: Check Your Startup Programs

Sometimes, rundll32.exe error can occur due to some programs that run at startup using rundll32.exe. To check your startup programs, follow these steps:

• Press Ctrl + Shift + Esc keys to open Task Manager.

• Select the Startup tab and look for any suspicious or unknown entries that use rundll32.exe.

• If you find any, right-click on them and select Disable.

• Restart your computer and check if the error is resolved.

If none of the above methods work, you may need to perform a system restore or a clean install of Windows 10. However, before doing so, make sure to back up your important data and files. We hope this article helped you fix c windows system32 rundll32.exe error on Windows 10.

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