rasdiag.dll Informations - Download and Fix

Sometimes Windows system displays error messages regarding corrupted or missing rasdiag.dll 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 rasdiag.dll file can therefore effect in failed execution of the started process.

rasdiag.dll file RAS Diagnostics Helper Classes. 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 rasdiag.dll related errors on your device. You can also download rasdiag.dll file compatible with Windows 10, Windows 8.1, Windows 8, Windows 7, Windows 7, Windows Vista, Windows Vista 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

User popularity

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

4 Download rasdiag.dll

4.1 List of rasdiag.dll file versions

File info

General information
Filename	rasdiag.dll
File extension	DLL
Description	RAS Diagnostics Helper Classes

Software
Program	Microsoft® Windows® Operating System
Author	Microsoft Corporation

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

Most common rasdiag.dll file related problems

There are various types of errors related to rasdiag.dll file. rasdiag.dll 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 rasdiag.dll file. If you encounter one listed below (or similar), please consider the following suggestions.

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

rasdiag.dll

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

Problems related to rasdiag.dll 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 rasdiag.dll 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 rasdiag.dll errors in just few steps?

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

rasdiag.dll 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 rasdiag.dll 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 rasdiag.dll 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 rasdiag.dll 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 rasdiag.dll file. After an error related to%fileextension% file has been discovered, the program attempts to automatically replace the rasdiag.dll 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 rasdiag.dll 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 rasdiag.dll 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 rasdiag.dll file

The last solution is to manually download and replace rasdiag.dll 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 rasdiag.dll file.

Go to the folder where the file should be located and paste the downloaded file. Below is the list of rasdiag.dll 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\System32\
Windows 7: C:\Windows\System32\
Windows Vista: ---
Windows Vista: ---

If the steps did not solve your rasdiag.dll 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 rasdiag.dll

System Windows 10

File size 60416 bytes

Date 2017-03-18

Download

File details
	MD5	ba77caeb4f90eac167ec077d651e673f
	SHA1	e53a07917ef9aaca2157743c8bb5039403b40fff
	SHA256	12cdc19abbaec3a0c5745969b6309c888accc1e3ab831097cc76c406a05f5ef5
	CRC32	63bcfb8e
	Example file location	C:\Windows\System32\

Filename rasdiag.dll

System Windows 8.1

File size 61440 bytes

Date 2014-11-21

Download

File details
	MD5	1683fca053bde658510d42bae9cc0966
	SHA1	2b03b94c0115b080e86d75e513cb54b6e63d1e53
	SHA256	6edfdd60d0325b8076556ef2a4649cddfc4406cdd52f0c697b989fa22614e3e2
	CRC32	a1589b09
	Example file location	C:\Windows\System32\

Filename rasdiag.dll

System Windows 8

File size 59392 bytes

Date 2012-07-26

Download

File details
	MD5	a3ac6b582d08554b337dec5892e298ea
	SHA1	ceb88cb4952a4acb8644469cf891ec4e3bf510e5
	SHA256	19f65a9c5c5bae6a1d6299c8a0a0d7a3b4fc25de06b286ac684139df265610dc
	CRC32	3320e0ea
	Example file location	1: C:\Windows\System32\

Filename rasdiag.dll

System Windows 7

File size 76288 bytes

Date 2009-07-14

Download

File details
	MD5	56eb6a844ec9a4d939c4817cf6cd4fe8
	SHA1	d801b1395cb9319863a8ee4a865f20023f9eaa2c
	SHA256	023a01da605eb513773ae18819c152c6eb52934fd0e829afa60763a5696f29bd
	CRC32	c4603219
	Example file location	C:\Windows\System32\

Filename rasdiag.dll

System Windows 7

File size 61952 bytes

Date -0001-11-30

Download

File details
	MD5	911e5c3c4909caa9b28bf1549f99d7ce
	SHA1	d1cca802fb4cca15b97170bb6a922d31d5861139
	SHA256	8d143973b656e51effe3a023e61d886113d76975f2721ba878c6469ebae82d50
	CRC32	1f3b30c9
	Example file location	C:\Windows\System32\

Filename rasdiag.dll

System Windows Vista

File size 52736 bytes

Date -0001-11-30

Download

File details
	MD5	1361cd59c411f47e2e2829b9a44badd4
	SHA1	23dfe59d95877ceae13453d27bda81daa545fafd
	SHA256	4a989d65f96b304a2be106c6a959b76515d1b8441f1f07ca1b5e3d32fc8d0b14
	CRC32	01a245dd
	Example file location	---

Filename rasdiag.dll

System Windows Vista

File size 65536 bytes

Date 2009-04-11

Download

File details
	MD5	78c9ab22333f1fa642222cd18abc50c9
	SHA1	0e9a649d99a3cef2da5521746c240600c59621f4
	SHA256	3183670a769243e3564c96643874ef19574e182c6db192736e3e573bba625f24
	CRC32	eb33cac3
	Example file location	---