How to Download and Fix ndisuio.sys?

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

ndisuio.sys file NDIS User mode I/O driver. 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 ndisuio.sys related errors on your device. You can also download ndisuio.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 ndisuio.sys

4.1 List of ndisuio.sys file versions

File info

General information
Filename	ndisuio.sys
File extension	SYS
Description	NDIS User mode I/O driver

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 ndisuio.sys file related problems

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

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

ndisuio.sys

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

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

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

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

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

Go to the folder where the file should be located and paste the downloaded file. Below is the list of ndisuio.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 ndisuio.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 ndisuio.sys

System Windows 10

File size 49664 bytes

Date 2017-03-18

Download

File details
	MD5	3c2a95e23a3622f01463c78dad041f53
	SHA1	3b7618af06420751efce98a7bb51d88cbda4f899
	SHA256	cfb20ecc5c0fd647b74b01cbb158c96527e8ade0fa0113dabd167f501b763e6c
	CRC32	057e5322
	Example file location	C:\Windows\System32\drivers\

Filename ndisuio.sys

System Windows 8.1

File size 49152 bytes

Date 2013-08-22

Download

File details
	MD5	1d34650e97e74df51bd86e0a102db241
	SHA1	e2dee74e6da89d57eee3937a76c87cea9371b610
	SHA256	b4b6a2c073348c3829e5cd0565a0b44ca6a0ad05e3744767fa8d89134ed8002e
	CRC32	b63b553b
	Example file location	C:\Windows\System32\drivers\

Filename ndisuio.sys

System Windows 8

File size 47104 bytes

Date 2012-07-26

Download

File details
	MD5	ddc67239bfe82dc5a878039b464b1968
	SHA1	43e9414137dd655c8adab22cb99c8948548a23f7
	SHA256	11a9ddc53c1fbf12623964bf2788c5b3f6f1c45d4f283a7cc407e4050cd1f071
	CRC32	8bf1f68b
	Example file location	1: C:\Windows\System32\drivers\

Filename ndisuio.sys

System Windows 7

File size 56832 bytes

Date 2010-11-21

Download

File details
	MD5	136185f9fb2cc61e573e676aa5402356
	SHA1	dcdae28ed5a04349c9298b66dc6831c71eecf64c
	SHA256	ba3ad0a33416da913b4242c6be8c3e5812ad2b20ba6c11dd3094f2e8eb56e683
	CRC32	363f348c
	Example file location	C:\Windows\System32\drivers\

Filename ndisuio.sys

System Windows Vista

File size 22016 bytes

Date 2008-01-21

Download

File details
	MD5	8baa43196d7b5bb972c9a6b2bbf61a19
	SHA1	a30c8a75516649eafbc60990936a000f80e7c583
	SHA256	8affb26f6e8cf67f562818bbfe12fb448e4fcdf9b68858b625681565de30ddc1
	CRC32	ac37202d
	Example file location	C:\Windows\System32\drivers\

Filename ndisuio.sys

System Windows XP

File size 14592 bytes

Date 2008-04-14

Download

File details
	MD5	f927a4434c5028758a842943ef1a3849
	SHA1	cea30801140adf385fd2e7326cc7cc47601d19af
	SHA256	b1aa3af150c05307461774925901789456b0cccd03a5e71ada4ab58455962bee
	CRC32	a4416f94
	Example file location	---