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Rundll32.exe Windows 7 64 Bits Download

Rundll32.exe Windows 7 64 Bits Download - How to Fix and Use It

Rundll32.exe is a Windows host process that loads and runs 32-bit dynamic-link libraries (DLLs). It is an essential component of the Windows operating system, and it is used by many applications and system functions. However, sometimes rundll32.exe can cause problems, such as errors, high CPU usage, or malware infection. In this article, we will show you how to fix and use rundll32.exe on Windows 7 64-bit system.


What is rundll32.exe?

Rundll32.exe is a program that allows you to execute functions from DLL files without having to write a complete application. For example, you can use rundll32.exe to open the Control Panel applets, such as Display Settings, Mouse Properties, or User Accounts. You can also use rundll32.exe to run custom functions from your own DLLs or third-party DLLs.

Rundll32.exe is located in the C:\Windows\System32 folder, and it has a file size of about 60 KB. It was first introduced in Windows 95, and it has been updated in every version of Windows since then. The latest version of rundll32.exe is 10.0.15063.0, which was released for Windows 10. However, this version is not compatible with Windows 7, so you need to use the version that matches your operating system.

How to download rundll32.exe for Windows 7 64-bit?

If you have accidentally deleted or corrupted rundll32.exe on your Windows 7 64-bit system, you can download it from a reliable source and replace it in the System32 folder. However, you need to be careful when downloading rundll32.exe, as some websites may offer malicious or fake versions of the file. To avoid this, you can use the following steps:

  • Go to [Microsoft Download Center] and search for "rundll32.exe".

  • Select the file that matches your operating system version and language. For example, if you have Windows 7 Service Pack 1 (SP1) 64-bit in English, you should choose "Windows6.1-KB976932-X64-ENU.exe".

  • Click on the "Download" button and save the file to your computer.

  • Run the downloaded file and follow the instructions to install it.

  • Restart your computer and check if rundll32.exe is working properly.

How to fix rundll32.exe errors on Windows 7 64-bit?

Sometimes, you may encounter rundll32.exe errors on your Windows 7 64-bit system, such as "rundll32.exe has stopped working", "rundll32.exe not found", or "rundll32.exe application error". These errors can be caused by various reasons, such as missing or damaged DLL files, malware infection, registry issues, or incompatible software. To fix these errors, you can try the following methods:

  • Scan your computer for malware using a reputable antivirus program. Malware can infect or replace rundll32.exe with a malicious version, which can cause errors or compromise your security. You can use [Microsoft Security Essentials] or [Windows Defender] to scan and remove any malware from your computer.

  • Update your drivers and software. Outdated or incompatible drivers and software can cause conflicts with rundll32.exe or the DLL files it loads. You can use [Windows Update] or [Device Manager] to check and install the latest updates for your drivers and software.

  • Clean your registry. The registry is a database that stores information about your system and applications. However, the registry can become corrupted or cluttered over time, which can affect the performance and stability of rundll32.exe and other programs. You can use a registry cleaner tool, such as [WinThruster], to scan and fix any registry errors on your computer.

  • Reinstall the program that uses rundll32.exe. If you get rundll32.exe errors when running a specific program, such as a game or a utility, you may need to reinstall the program to fix the problem. You can use [Programs and Features] or [Control Panel] to uninstall and reinstall the program.

  • Perform a system restore. If none of the above methods work, you can try to restore your system to a previous state when rundll32.exe was working properly. This can undo any changes that may have caused the rundll32.exe errors. You can use [System Restore] or [Recovery Options] to perform a system restore on your computer.

How to use rundll32.exe on Windows 7 64-bit?

You can use rundll32.exe to run various functions from DLL files on your Windows 7 64-bit system. However, you need to know the exact name and syntax of the function you want to run, as well as the location and name of the DLL file that contains it. You can find this information from the documentation of the DLL file or the program that uses it. To use rundll32.exe, you can follow these steps:

  • Open an elevated command prompt by clicking on the "Start" button, typing "cmd" in the search box, right-clicking on "cmd.exe" and selecting "Run as administrator".

  • Type "rundll32.exe" followed by a space and the name and path of the DLL file, another space and the name of the function, and any parameters or arguments required by the function. For example, if you want to run the "ShellAboutW" function from "shell32.dll" with "Microsoft Windows" as the title and "Windows 7" as the text, you should type: rundll32.exe C:\Windows\System32\shell32.dll,ShellAboutW Microsoft Windows Windows 7 Press "Enter" to execute the command.

  • A window or dialog box will appear with the result of the function. For example, in this case, you will see a window with information about your Windows version and edition.

  • Close the window or dialog box when you are done.

Note: Some functions may not have any visible result, but they may perform some action in the background. For example, if you run the "LockWorkStation" function from "user32.dll", your computer will be locked immediately.


Rundll32.exe is a useful tool that allows you to load and run 32-bit DLL files on your Windows 7 64-bit system. However, it can also cause errors or problems if it is missing, corrupted, or infected by malware. In this article, we have shown you how to download, fix, and use rundll32.exe on your computer. We hope this article has helped you understand and solve your rundll32.exe issues.


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