How to Download and Fix rundll32.exe?

Sometimes Windows system displays error messages regarding corrupted or missing rundll32.exe files. Situations like that can occur, for example, during a software installation process. Each software program requires certain resources, libraries, and source data to work properly. Corrupted or nonexistent rundll32.exe file can therefore effect in failed execution of the started process.

rundll32.exe file Windows host process (Rundll32). The file was developed by for use with software. Here you will find detailed information about the file and instructions how to proceed in the event of rundll32.exe related errors on your device. You can also download rundll32.exe file compatible with Windows 10, Windows 8.1, Windows 8, Windows 7, Windows 7, Windows Vista, Windows Vista, Windows XP devices which will (most probably) allow you to solve the problem.

Compatible with: Windows 10, Windows 8.1, Windows 8, Windows 7, Windows 7, Windows Vista, Windows Vista, Windows XP

User popularity

Fix rundll32.exe errors

1 Information about rundll32.exe file
2 Errors related to rundll32.exe file
3 How to fix rundll32.exe related errors?

3.1 Scanning for malicious software
3.2 System and driver update
3.3 System File Checker tool
3.4 System recovery

4 Download rundll32.exe

4.1 List of rundll32.exe file versions

File info

General information
Filename	rundll32.exe
File extension	EXE
Description	Windows host process (Rundll32)

Software
Program	Microsoft® Windows® Operating System
Author	Microsoft Corporation

Details
MIME type	application/octet-stream
File type	Executable application
System	Windows NT 32-bit
Copyrights	© Microsoft Corporation. All rights reserved.
Character set	Unicode
Language cod	English (U.S.)

Most common rundll32.exe file related problems

There are various types of errors related to rundll32.exe file. rundll32.exe file may be located in wrong file directory on your device, may not be present in the system, or may be infected with malicious software and therefore not work correctly. Below is a list of most common error messages related to rundll32.exe file. If you encounter one listed below (or similar), please consider the following suggestions.

rundll32.exe is corrupted
rundll32.exe cannot be located
Runtime Error - rundll32.exe
rundll32.exe file error
rundll32.exe file cannot be loaded. Module was not found
cannot register rundll32.exe file:
rundll32.exe file could not be loaded
rundll32.exe file doesn't exist

rundll32.exe

Application could not be started because rundll32.exe file is missing. Reinstall the application to solve the problem.

Problems related to rundll32.exe can be addressed in various ways. Some methods are meant only for advanced users. If you don't have confidence in your skills, we suggest consulting a specialist. Fixing rundll32.exe file errors should be approached with utmost caution for any mistakes can result in unstable or unproperly working system. If you have the necassary skills, please proceed.

How to fix rundll32.exe errors in just few steps?

Remember, before taking any action related to system files perform a backup copy of your data!

rundll32.exe file errors can be caused by various factors, so its is beneficial to try to fix them using various methods.

Step 1: Scan your computer for any malicious software

Windows files are commonly attacked by malicious software that prevents them from working properly. First step in addressing problems with rundll32.exe file or any other Windows system files should be scanning the system for malicious software using an antivirus tool.

If by any chance you don't have any antivirus software installed on your system yet, you should do it immediately. Unprotected system is not only a source of file errors, but, more importantly, makes your system vulnerable to many dangers. If you don't know which antivirus tool to choose, consult this Wikipedia article – comparison of antivirus software.

Step 2: Update your system and drivers.

Installing relevant Microsoft Windows patches and updates may solve your problems related to rundll32.exe file. Use dedicated Windows tool to perform the update.

Go to the Windows "Start" menu
Type "Windows Update" in the search field
Choose the appropriate software program (name may vary depending on your system version)
Check if your system is up to date. If any unapplied updates are listed, install them immediately.
After the update has been done,restart your computer in order to complete the process.

Beside updating the system, it is recommended that you install latest device drivers, as drivers can influence proper working of rundll32.exe or other system files. In order to do so, go to your computer or device producer's website where you will find information regarding latest driver updates.

Step 3: Use System File Checker (SFC) tool

System File Checker is a Microsoft Windows tool. As the name suggests, the tool is used for identyfing and addressing system file related errors, including those related to rundll32.exe file. After an error related to%fileextension% file has been discovered, the program attempts to automatically replace the rundll32.exe file with properly working version. To use the tool:

Go to the Windows "Start" menu
Type "cmd" in the search field
Locate "Command Prompt" result – don't run it yet:
Click the right mouse button and select "Run as Administrator" option
Type "sfc /scannow" in console prompt to start the program and follow the instructions

Step 4: Restoring Windows system

Another approach is to restore system to previous state, before the rundll32.exe file error occured. In order to restore your system, follow the instructions below

Go to the Windows "Start" menu
Type "System Restore" in the search field
Start the system restore tool – it's name may differ depending on version of the system
The application will guide you through the process – read the messages carefully
After the process has finished, restart your computer.

If all the above-mentioned methods failed and the rundll32.exe file problem has not been resolved, proceed to the next step. Remember that the following steps are intended only for advanced users.

Download and replace rundll32.exe file

The last solution is to manually download and replace rundll32.exe file in appropriate folder on the disk. Select file version compatible with your operating system and click the "Download" button. Next, go to your web browser's "Downloaded" folder and copy the downloaded rundll32.exe file.

Go to the folder where the file should be located and paste the downloaded file. Below is the list of rundll32.exe file example directory paths.

Windows 10: C:\Windows\System32\
Windows 8.1: C:\Windows\System32\
Windows 8: 1: C:\Windows\System32\
Windows 7: C:\Windows\SysWOW64\
Windows 7: C:\Windows\SysWOW64\
Windows Vista: ---
Windows Vista: ---
Windows XP: ---

If the steps did not solve your rundll32.exe file problem, you should consult a professional. A probability exists that the error(s) might be device-related and therefore should be resolved at the hardware level. A fresh operating system installation might be necessary – a faulty system installation process can result in data loss.

File versions list

Filename rundll32.exe

System Windows 10

File size 60928 bytes

Date 2017-03-18

Download

File details
	MD5	f57886ace1ab4972b0308f69b1a0029c
	SHA1	519b2a981cb522ed2b0901f9871f9aa9781a6cd5
	SHA256	2be981b3686ee5e725583f5936f5f0a0992723cad784457f91d9d1d5a15a0852
	CRC32	84b12cde
	Example file location	C:\Windows\System32\

Filename rundll32.exe

System Windows 8.1

File size 51200 bytes

Date 2014-11-21

Download

File details
	MD5	8bfe805555cdaf6387912a34d7978daa
	SHA1	b95a4c3d3722093a3e8fc54c578858e698df8437
	SHA256	6f9195d85b386099f9f63e3319f5e9e85e0f3a1f0d48cfc9a37e7eff65225933
	CRC32	09647470
	Example file location	C:\Windows\System32\

Filename rundll32.exe

System Windows 8

File size 48640 bytes

Date 2012-07-26

Download

File details
	MD5	224f6b374852153c8c24bed141ae3a20
	SHA1	e267a1a7dae5702e18ebdd0d451578a50df5abca
	SHA256	9f73b0e980df0aea1ca13a3418db2434ab8e3c56e97f150a5fd62489583a9d20
	CRC32	ecb5941f
	Example file location	1: C:\Windows\System32\

Filename rundll32.exe

System Windows 7

File size 44544 bytes

Date -0001-11-30

Download

File details
	MD5	51138beea3e2c21ec44d0932c71762a8
	SHA1	8939cf35447b22dd2c6e6f443446acc1bf986d58
	SHA256	5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124
	CRC32	71317d0d
	Example file location	C:\Windows\SysWOW64\

Filename rundll32.exe

System Windows 7

File size 45568 bytes

Date 2009-07-14

Download

File details
	MD5	dd81d91ff3b0763c392422865c9ac12e
	SHA1	963b55acc8c566876364716d5aafa353995812a8
	SHA256	f5691b8f200e3196e6808e932630e862f8f26f31cd949981373f23c9d87db8b9
	CRC32	b26366c3
	Example file location	C:\Windows\SysWOW64\

Filename rundll32.exe

System Windows Vista

File size 46592 bytes

Date 2006-11-02

Download

File details
	MD5	10446646d128e580c46615338e74e672
	SHA1	2b8096e9746daef534ba03ddad3d9f38e12841c8
	SHA256	d684a4857d1ab3d9208abcd59707429ccb10399446cb0b87003cd6c8aea0cc17
	CRC32	af0a65f4
	Example file location	---

Filename rundll32.exe

System Windows Vista

File size 44544 bytes

Date -0001-11-30

Download

File details
	MD5	4b555106290bd117334e9a08761c035a
	SHA1	2d77b2ac185828a6300c8838355444279929bcb0
	SHA256	8a3808fbc197040bf0c65084514e8441e35ffff8e31980f9ce1f41ed65e08437
	CRC32	fd4efcfb
	Example file location	---

Filename rundll32.exe

System Windows XP

File size 33280 bytes

Date 2008-04-14

Download

File details
	MD5	037b1e7798960e0420003d05bb577ee6
	SHA1	303a90020bf3beaf9acd0ea86487c853636a99a3
	SHA256	dee53d6d332dadd40c0ce34a425a6c0781f611765dcd4299d869f2b1ee80ae66
	CRC32	b589dce8
	Example file location	---