Download and Fix ndis.sys

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

ndis.sys file Network Driver Interface Specification (NDIS). 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 ndis.sys related errors on your device. You can also download ndis.sys file compatible with Windows 10, Windows 8.1, Windows 8, Windows 7, 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 Vista, Windows XP

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 ndis.sys

4.1 List of ndis.sys file versions

File info

General information
Filename	ndis.sys
File extension	SYS
Description	Network Driver Interface Specification (NDIS)

Software
Program	Microsoft® Windows® Operating System
Author	Microsoft Corporation

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

Most common ndis.sys file related problems

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

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

ndis.sys

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

Problems related to ndis.sys 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 ndis.sys 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 ndis.sys errors in just few steps?

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

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

The last solution is to manually download and replace ndis.sys 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 ndis.sys file.

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

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

If the steps did not solve your ndis.sys 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 ndis.sys

System Windows 10

File size 967584 bytes

Date 2017-03-18

Download

File details
	MD5	eddd0a5599650f85799acde469030981
	SHA1	cefba41dd80b2eea0ec7657f5d7460f8501917ce
	SHA256	dd538235803afb26b7a9c466ceb268dc7d474caeea5bebe399729097ecc35387
	CRC32	8b8cac8f
	Example file location	C:\Windows\System32\drivers\

Filename ndis.sys

System Windows 8.1

File size 869696 bytes

Date 2014-11-21

Download

File details
	MD5	1812da4dd3ff480c88346ac3acad8c04
	SHA1	51daeffd5ad712c7664076cdf6240c6327f51870
	SHA256	4cf02197613092c91183f9103f117838b7e5d43d63728b93556d62a4da506752
	CRC32	0f000401
	Example file location	C:\Windows\System32\drivers\

Filename ndis.sys

System Windows 8

File size 830192 bytes

Date 2012-07-26

Download

File details
	MD5	c1068477fa29568d8c4ac262af594871
	SHA1	087f45fd45b14d786a5abdac6cfbfaf3c0df3b73
	SHA256	5fabbe45369590525ec99e3fed06b05077adcdc0c8b5ca0b53459d7919c6d1d4
	CRC32	f5021173
	Example file location	1: C:\Windows\System32\drivers\

Filename ndis.sys

System Windows 7

File size 951680 bytes

Date 2010-11-21

Download

File details
	MD5	79b47fd40d9a817e932f9d26fac0a81c
	SHA1	9788350e64905b5f2137742b136e0b3823eee985
	SHA256	53e260b8bfc50ba45fa73bfcf4e58c233890d0eaa9defdccbb55fd3eb992ff2d
	CRC32	bf14e09f
	Example file location	C:\Windows\System32\drivers\

Filename ndis.sys

System Windows Vista

File size 738264 bytes

Date 2009-04-11

Download

File details
	MD5	65950e07329fcee8e6516b17c8d0abb6
	SHA1	c5563faecb21cadc5bfdd2c4b6a75b98e0cb2b66
	SHA256	4429d9ff9b6e376d28d8fa4906b7554df566ec23e455e3166c496b579622f204
	CRC32	6bcf1d83
	Example file location	C:\Windows\System32\drivers\

Filename ndis.sys

System Windows XP

File size 182656 bytes

Date 2008-04-14

Download

File details
	MD5	1df7f42665c94b825322fae71721130d
	SHA1	b8e7cce36011313b3b908c7ebfa598057847d340
	SHA256	fe0dcb728471465b39a42a7511f4133021fba5df88f88bcb5fe2ff34cfd713f9
	CRC32	1fed68c9
	Example file location	---