Rundll32.exe for Windows 7 64-bit: How to Load and Run DLLs
Rundll32.exe Windows 7 64 Bits Download: What You Need to Know
Rundll32.exe is a Windows program that can load and run 32-bit dynamic-link libraries (DLLs). DLLs are files that contain code, data, or resources that can be used by multiple programs. Rundll32.exe allows you to execute functions from a DLL without having to write a separate program.
rundll32.exe windows 7 64 bits download
However, rundll32.exe can also cause problems if it is missing, corrupted, or infected by malware. In this article, we will explain what rundll32.exe is, how to use it on Windows 7 64-bit systems, and how to download and fix rundll32.exe runtime errors.
What is Rundll32.exe and How to Use it on Windows 7 64-bit Systems
Rundll32.exe is a Windows command-line tool that can load and run 32-bit DLLs. It is located in the C:\Windows\System32 folder on 64-bit versions of Windows. You can use rundll32.exe to perform various tasks, such as displaying the printer user interface, changing display settings, or opening Control Panel items.
To use rundll32.exe, you need to know the name of the DLL and the function you want to call. The syntax of the rundll32 command is:
rundll32 <DLLname>, <functionname> [arguments]
For example, to display the printer user interface, you can use the following command:
rundll32 printui.dll,PrintUIEntry
You can also use rundll32.exe to run DLLs that are not located in the System32 folder by specifying the full path of the DLL. For example:
rundll32 C:\Program Files\SomeApp\SomeDLL.dll, SomeFunction
However, not all DLLs can be run by rundll32.exe. The DLL must have a function named DllMain and must export the function you want to call. You can use a tool like Dependency Walker to check if a DLL has these requirements.
Download and Fix Rundll32.exe Runtime Errors on Windows 7 64-bit
Sometimes, rundll32.exe may cause runtime errors that can affect your system performance or stability. Some common rundll32.exe errors are:
Rundll32.exe not found
Rundll32.exe application error
Rundll32.exe has stopped working
Rundll32.exe high CPU usage
Rundll32.exe virus or malware infection
These errors can be caused by various reasons, such as missing or corrupt rundll32.exe file, invalid or incorrect registry entries, incompatible or outdated drivers, conflicting software, or malicious programs.
To fix rundll32.exe errors, you can try the following methods:
Scan your system for viruses and malware using a reputable antivirus program. Some malware may disguise themselves as rundll32.exe or use it to run malicious code.
Update your device drivers using a reliable driver updater tool. Outdated or faulty drivers may cause rundll32.exe errors or crashes.
Clean your registry using a trusted registry cleaner software. Invalid or corrupt registry entries may prevent rundll32.exe from running properly.
Restore your system to a previous state using System Restore. This can undo any changes that may have caused rundll32.exe errors.
Download and replace your rundll32.exe file from a trusted source. You can use a website like EXE Files to download the correct version of rundll32.exe for your Windows 7 64-bit system.
To download and replace your rundll32.exe file, follow these steps:
Go to https://www.exefiles.com/en/exe/rundll32-exe/ and click on the Download Now button.
Save the file to a location where you can easily find it, such as your desktop.
Right-click on the downloaded file and select Extract All.
Choose a destination folder where you want to extract the file, such as C:\Temp.
Open an elevated command prompt by clicking Start, right-clicking Command Prompt, and selecting Run as administrator.
Type the following command and press Enter:
cd C:\Temp
This will change your current directory to C:\Temp.
Type the following command and press Enter:
copy /y rundll32.exe C:\Windows\System32
This will copy and replace your existing rundll32.exe file in the System32 folder.
Restart your computer for the changes to take effect.
Conclusion
Rundll32.exe is a useful Windows program that can load and run 32-bit DLLs. However, it can also cause runtime errors if it is missing, corrupted, or infected by malware. To fix these errors, you can scan your system for viruses and malware, update your device drivers, clean your registry, restore your system to a previous state, or download and replace your rundll32.exe file from a trusted source.
We hope this article has helped you understand what rundll32.exe is and how to use it on Windows 7 64-bit systems. If you have any questions or feedback, please feel free to leave a comment below.
How to Troubleshoot Rundll32.exe Errors on Windows 7 64-bit
If you encounter rundll32.exe errors on your Windows 7 64-bit system, you may wonder what causes them and how to fix them. Rundll32.exe errors can have various symptoms, such as:
Rundll32.exe not responding or freezing
Rundll32.exe using too much memory or CPU resources
Rundll32.exe causing blue screen of death (BSOD)
Rundll32.exe displaying error messages or pop-ups
Rundll32.exe missing from the System32 folder
These errors can be frustrating and prevent you from using your system normally. However, there are some possible solutions that can help you troubleshoot and resolve rundll32.exe errors on Windows 7 64-bit. Here are some steps you can try:
Check the source of rundll32.exe. Sometimes, malware or rogue programs may disguise themselves as rundll32.exe and run malicious code on your system. To check the source of rundll32.exe, you can use the Task Manager or the Process Explorer tool. To use the Task Manager, press Ctrl+Alt+Delete and select Task Manager. Then, go to the Processes tab and look for rundll32.exe. Right-click on it and select Properties. Check the Location field and make sure it is C:\Windows\System32. If it is not, then it may be a fake rundll32.exe and you should end the process and scan your system for malware. To use the Process Explorer tool, download it from https://docs.microsoft.com/en-us/sysinternals/downloads/process-explorer and run it as administrator. Then, look for rundll32.exe and hover your mouse over it. You will see a tooltip that shows the DLL name and the function name that rundll32.exe is calling. If the DLL name or the function name looks suspicious or unfamiliar, then it may be a fake rundll32.exe and you should end the process and scan your system for malware.
Update your Windows system and drivers. Sometimes, rundll32.exe errors may be caused by outdated or incompatible Windows system files or drivers. To update your Windows system, go to Start, type Windows Update, and press Enter. Then, click on Check for updates and install any available updates. To update your drivers, go to Start, type Device Manager, and press Enter. Then, expand the categories of devices and look for any devices with a yellow exclamation mark or a red cross. Right-click on them and select Update driver software. Follow the instructions to install the latest drivers for your devices.
Run a system file checker scan. Sometimes, rundll32.exe errors may be caused by corrupted or missing system files. To run a system file checker scan, go to Start, type Command Prompt, right-click on it and select Run as administrator. Then, type sfc /scannow and press Enter. This will scan your system for any corrupted or missing system files and try to repair them.
Run a registry cleaner scan. Sometimes, rundll32.exe errors may be caused by invalid or corrupt registry entries that refer to rundll32.exe or the DLLs it runs. To run a registry cleaner scan, you can use a reliable registry cleaner software such as CCleaner or RegClean Pro. Download and install the software from their official websites and run a scan of your registry. The software will detect any invalid or corrupt registry entries and fix them automatically.
Reinstall rundll32.exe from a trusted source. Sometimes, rundll32.exe errors may be caused by a damaged or missing rundll32.exe file in the System32 folder. To reinstall rundll32.exe from a trusted source, you can use a website like EXE Files to download the correct version of rundll32.exe for your Windows 7 64-bit system. Follow the steps in https://www.exefiles.com/en/exe/rundll32-exe/ to download and replace your rundll32.exe file.
Conclusion
Rundll32.exe is a useful Windows program that can load and run 32-bit DLLs on Windows 7 64-bit systems. However, it can also cause runtime errors that can affect your system performance or stability. To troubleshoot and fix these errors, you can try various methods such as scanning your system for malware, updating your Windows system and drivers, running a system file checker scan, running a registry cleaner scan, or reinstalling rundll32.exe from a trusted source.
We hope this article has helped you understand how to troubleshoot rundll32.exe errors on Windows 7 64-bit systems. If you have any questions or feedback, please feel free to leave a comment below.
How to Run 32-bit and 64-bit DLLs on Windows 7 64-bit with Rundll32.exe
Windows 7 64-bit is a popular operating system that can run both 32-bit and 64-bit applications. However, some applications may require you to run a specific DLL file that is either 32-bit or 64-bit. For example, you may want to run a DLL file that contains a device driver, a plugin, or a configuration tool.
How can you run a DLL file on Windows 7 64-bit? The answer is rundll32.exe. Rundll32.exe is a Windows program that can load and run 32-bit DLLs on Windows 7 64-bit systems. However, it can also run 64-bit DLLs if you use the correct version of rundll32.exe.
As we mentioned earlier, there are two versions of rundll32.exe on Windows 7 64-bit systems:
64-bit: C:\Windows\System32\rundll32.exe
32-bit: C:\Windows\SysWOW64\rundll32.exe
The 64-bit version of rundll32.exe can run both 32-bit and 64-bit DLLs, while the 32-bit version of rundll32.exe can only run 32-bit DLLs. Therefore, if you want to run a 64-bit DLL on Windows 7 64-bit, you need to use the 64-bit version of rundll32.exe. If you want to run a 32-bit DLL on Windows 7 64-bit, you can use either version of rundll32.exe.
To run a DLL file with rundll32.exe, you need to know the name of the DLL and the function you want to call. The syntax of the rundll32 command is:
rundll32 <DLLname>, <functionname> [arguments]
For example, to run a 64-bit DLL named SomeDLL.dll that has a function named SomeFunction, you can use the following command:
C:\Windows\System32\rundll32 SomeDLL.dll, SomeFunction
To run a 32-bit DLL named AnotherDLL.dll that has a function named AnotherFunction, you can use either of the following commands:
C:\Windows\System32\rundll32 AnotherDLL.dll, AnotherFunction
C:\Windows\SysWOW64\rundll32 AnotherDLL.dll, AnotherFunction
You can also specify the full path of the DLL if it is not located in the System32 or SysWOW64 folder. For example:
C:\Windows\System32\rundll32 C:\Program Files\SomeApp\SomeDLL.dll, SomeFunction
C:\Windows\SysWOW64\rundll32 C:\Program Files (x86)\AnotherApp\AnotherDLL.dll, AnotherFunction
Note that some DLLs may require additional arguments to run properly. You can check the documentation of the DLL or use a tool like Dependency Walker to find out the required arguments.
Conclusion
Rundll32.exe is a handy Windows program that can load and run DLL files on Windows 7 64-bit systems. You can use it to run both 32-bit and 64-bit DLLs by using the correct version of rundll32.exe and specifying the name and function of the DLL. However, you should be careful when using rundll32.exe as some DLLs may contain harmful code or cause errors if they are not compatible with your system.
We hope this article has helped you understand how to run 32-bit and 64-bit DLLs on Windows 7 64-bit with rundll32.exe. If you have any questions or feedback, please feel free to leave a comment below.
Conclusion
In this article, we have learned what rundll32.exe is and how to use it on Windows 7 64-bit systems. We have seen how to run both 32-bit and 64-bit DLLs with rundll32.exe by using the correct version of the program and specifying the name and function of the DLL. We have also learned some possible causes and solutions for rundll32.exe errors that may occur on Windows 7 64-bit systems.
Rundll32.exe is a useful Windows program that can load and run DLL files on Windows 7 64-bit systems. However, it can also cause runtime errors or security risks if it is missing, corrupted, or infected by malware. Therefore, you should always scan your system for viruses and malware, update your Windows system and drivers, run a system file checker scan, run a registry cleaner scan, or reinstall rundll32.exe from a trusted source if you encounter any rundll32.exe errors.
We hope this article has helped you understand how to use rundll32.exe on Windows 7 64-bit systems. If you have any questions or feedback, please feel free to leave a comment below. ca3e7ad8fd