Download and Repair NTDOS404.SYS Issues

Last Updated: 12/01/2024
[Time Required for Reading: 3.5 minutes]

NTDOS404.SYS, also known as a Windows System Configuration file, was created by Microsoft for the development of Windows 10. SYS files fall under under the Win16 EXE (Windows System Configuration) file type category.

The first version of NTDOS404.SYS for Windows XP was introduced on 10/25/2001 in Windows XP. The most recent version [file version 10] was introduced on 07/29/2015 for Windows 10. NTDOS404.SYS is packaged with Windows 10, Windows 8.1, and Windows 8.

Continue reading below to discover detailed file information, SYS file troubleshooting, and free downloads of several versions of NTDOS404.SYS.

File Analysis Provided by Jason Geater (Author)

File Overview

General Information ^✻
File Name:	NTDOS404.SYS
File Extension:	SYS file extension
File Type:	Driver
Description:	Windows System Configuration
MIME Type:	application/octet-stream
User Popularity Rating:

Developer and Software Information
Software Program:	Windows 10
Developer:	Microsoft
Software:	Windows
Software Version:	10

File Details
File Size (Bytes):	8960
Oldest File Date:	04/14/2008
Latest File Date:	03/18/2017

View Other NTDOS404.SYS Information

File Info	Description
File Size:	8.8 kB
File Modification Date/Time:	2013:08:22 01:42:34+00:00
File Inode Change Date/Time:	2017:11:05 07:04:28+00:00
File Type:	Win16 EXE
MIME Type:	application/octet-stream

^✻ Portions of file data provided by Exiftool (Phil Harvey) distributed under the Perl Artistic License.

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What are NTDOS404.SYS Error Messages?

NTDOS404.SYS Blue Screen of Death (BSOD) Errors

There are a number of reasons why you could be encountering issues with NTDOS404.SYS. Most of the issues concerning sys files involve Blue Screen of Death (BSOD) errors. These types of NTDOS404.SYS errors can be cause by hardware problems, outdated firmware, corrupt drivers, or other software-related (eg. Windows update) issues. Some of these errors include:

NTDOS404.SYS could not be found.
NTDOS404.SYS failed to load.
The file NTDOS404.SYS is missing or corrupt.
Windows failed to start - NTDOS404.SYS.

A problem has been detected and Windows has been shut down to prevent damage to your computer. The problem seems to be caused by the following file: NTDOS404.SYS.

:( Your PC ran into a problem that it couldn't handle, and now needs to restart. You can search for the error online: [BSOD] (NTDOS404.SYS).

STOP 0x0000000A: IRQL NOT LESS EQUAL (NTDOS404.SYS) STOP 0x0000003B: SYSTEM SERVICE EXCEPTION (NTDOS404.SYS) STOP 0x00000050: PAGE FAULT IN A NONPAGED AREA (NTDOS404.SYS) STOP 0x0000007E: SYSTEM THREAD EXCEPTION NOT HANDLED (NTDOS404.SYS) STOP 0x0000001E: KMODE EXCEPTION NOT HANDLED (NTDOS404.SYS) STOP 0×0000007A: KERNEL DATA INPAGE (NTDOS404.SYS)

It's Critical to Resolve Blue Screen of Death Errors

In the majority of cases, you will encounter NTDOS404.SYS BSOD errors after you've installed new hardware, software (Windows), or performed a failed Windows Update. In other cases, software corruption caused by a malware infection can lead to NTDOS404.SYS Blue Screen of Death errors. Therefore, it's critical to make sure your anti-virus is kept up-to-date and scanning regularly.

GEEK TIP : As a rule of thumb, it's always a good idea to create a Windows "Snapshot" backup / System Restore Point before making any hardware or software changes to your computer. That way, it's very easy to restore your system in the unfortunate event you encounter a NTDOS404.SYS Blue Screen of Death error after recent changes.

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How to Fix NTDOS404.SYS Errors in 3 Steps (Time to complete: ~5-15 minutes)

If you're encountering one of the error messages above, follow these troubleshooting steps to resolve your NTDOS404.SYS issue. These troubleshooting steps are listed in the recommended order of execution.

Step 1: Restore your PC back to the latest restore point, "snapshot", or backup image before error occurred.

To begin System Restore (Windows XP, Vista, 7, 8, and 10):

Hit the Windows Start button
When you see the search box, type "System Restore" and press "ENTER".
In the search results, find and click System Restore.
Please enter the administrator password (if applicable / prompted).
Follow the steps in the System Restore Wizard to choose a relevant restore point.
Restore your computer to that backup image.

If the Step 1 fails to resolve the NTDOS404.SYS error, please proceed to the Step 2 below.

Step 2: Run SFC (System File Checker) to restore the corrupt or missing NTDOS404.SYS file.

System File Checker is a utility included with every Windows version that allows you scan and restore corrupted system files. Use the SFC tool to fix missing or corrupt NTDOS404.SYS files (Windows XP, Vista, 7, 8, and 10):

Hit the Windows Start button
In the search box, type "cmd" but DO NOT PRESS "ENTER".
Press and hold "CTRL-Shift" on your keyboard while pressing "ENTER".
You'll be prompted with a permission dialog box.
In the box, click "YES".
You should have a black screen with a blinking cursor.
In that black screen, type "sfc /scannow" and hit "ENTER".
SFC will begin scanning for NTDOS404.SYS issues and any other system file problems.
Follow any on-screen commands to complete the process.

Please be aware that this scan might take a while, so please be patient while it is working.

If this Step 2 fails as well, please proceed to the Step 3 below.

sfc /scannow

Step 3: Perform a Windows Update.

When the first two steps haven't solved your issue, it might be a good idea to run Windows Update. Many NTDOS404.SYS error messages that are encountered can be contributed to an outdated Windows Operating System. To run Windows Update, please follow these easy steps:

Hit the Windows Start button
In the search box, type "Update" and press "ENTER".
In the Windows Update dialog box, click "Check for Updates" (or similar button depending on your Windows version)
If updates are available for download, click "Install Updates".
After the update is completed, restart your PC.

If Windows Update failed to resolve the NTDOS404.SYS error message, please proceed to next step. Please note that this final step is recommended for advanced PC users only.

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If Those Steps Fail: Download and Replace Your NTDOS404.SYS File (Caution: Advanced)

If none of the previous three troubleshooting steps have resolved your issue, you can try a more aggressive approach (Note: Not recommended for amateur PC users) by downloading and replacing your appropriate NTDOS404.SYS file version. We maintain a comprehensive database of 100% malware-free NTDOS404.SYS files for every applicable version of Windows. Please follow the steps below to download and properly replace you file:

Locate your Windows operating system version in the list of below "Download NTDOS404.SYS Files".
Click the appropriate "Download Now" button and download your Windows file version.
Copy the file into the appropriate directory for your Windows version:

Windows XP: C:\WINDOWS\system32\dllcache\
Windows XP: C:\Windows\System32\
Windows 8: C:\Windows\System32\
Windows 8.1: C:\Windows\System32\
Windows 10: C:\Windows\System32\

Restart your computer.

If this final step has failed and you're still encountering the error, you're only remaining option is to do a clean installation of Windows 10.

GEEK TIP : We must emphasize that reinstalling Windows will be a very time-consuming and advanced task to resolve NTDOS404.SYS problems. To avoid data loss, you must be sure that you have backed-up all of your important documents, pictures, software installers, and other personal data before beginning the process. If you are not currently backing up your data, you need to do so immediately.

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Download NTDOS404.SYS Files (Malware-Tested 100% Clean)

CAUTION : We strongly advise against downloading and copying NTDOS404.SYS to your appropriate Windows system directory. Microsoft typically does not release Windows SYS files for download because they are bundled together inside of a software installer. The installer's task is to ensure that all correct verifications have been made before installing and placing NTDOS404.SYS and all other SYS files for Windows. An incorrectly installed SYS file may create system instability and could cause your program or operating system to stop functioning altogether. Proceed with caution.

Windows 10

File Name

Software Version

File Version

Architecture

NTDOS404.SYS

64-bit (x64)

Expand for Detailed File Information +

OS Version:	Windows 10
File Size:	8960
File Date:	08/22/2013
MD5 Checksum:	9a355b75137e8a5f3c384c999cc6dbbc
SHA1 Checksum:	2be21636f3c2899f1217c289351b106118a5e197
SHA256 Checksum:	126a00e34a6516c0d382a221071ab4084031c2a89ccb6144cab960ce1f86ee2c
CRC32:
File Directory Location:	C:\Windows\System32\

File Version, System, and Machine Information
File Type:	Win16 EXE
File Modification Date/Time:	08/22/2013

Windows XP

File Name

Software Version

File Version

Architecture

NTDOS404.SYS

32-bit (x32)

Expand for Detailed File Information +

OS Version:	Windows XP
File Size:	29146
File Date:	07/25/2012
MD5 Checksum:	cf9ed169ff86d935e47999e82359e898
SHA1 Checksum:	ed43b0e32c93318ccf47d5ed4101b8aa1c399050
SHA256 Checksum:	5dae653054d410dbb7de1708d3b0d9504600d52c99d87ff3bb99885030f7d526
CRC32:
File Directory Location:	C:\WINDOWS\system32\dllcache\ C:\Windows\System32\

File Version, System, and Machine Information
File Modification Date/Time:	07/25/2012

Windows 8.1

File Name

Software Version

File Version

Architecture

NTDOS404.SYS

64-bit (x64)

Expand for Detailed File Information +

OS Version:	Windows 8.1
File Size:	8960
File Date:	08/22/2013
MD5 Checksum:	9a355b75137e8a5f3c384c999cc6dbbc
SHA1 Checksum:	2be21636f3c2899f1217c289351b106118a5e197
SHA256 Checksum:	126a00e34a6516c0d382a221071ab4084031c2a89ccb6144cab960ce1f86ee2c
CRC32:
File Directory Location:	C:\Windows\System32\

File Version, System, and Machine Information
File Type:	Win16 EXE
File Modification Date/Time:	08/22/2013

Windows 8

File Name

Software Version

File Version

Architecture

NTDOS404.SYS

64-bit (x64)

Expand for Detailed File Information +

OS Version:	Windows 8
File Size:	29146
File Date:	07/25/2012
MD5 Checksum:	cf9ed169ff86d935e47999e82359e898
SHA1 Checksum:	ed43b0e32c93318ccf47d5ed4101b8aa1c399050
SHA256 Checksum:	5dae653054d410dbb7de1708d3b0d9504600d52c99d87ff3bb99885030f7d526
CRC32:
File Directory Location:	C:\Windows\System32\

File Version, System, and Machine Information
File Modification Date/Time:	07/25/2012

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Files Related to NTDOS404.SYS

SYS Files Related to NTDOS404.SYS

File Name	Description	Software Program (Version)	File Size (bytes)	File Location
wfplwf.sys	WFP NDIS 6.20 Lightweight Filter Driver	Microsoft® Windows® Operating System (6.1.7600.16385)	12800	C:\Windows\Logs\DPX\
BTHUSB.SYS	Bluetooth Miniport Driver	Microsoft® Windows® Operating System (6.2.9200.16384)	56320	C:\Windows\Fonts\
miniqic.sys	SCSI Tape Driver	Microsoft® Windows® Operating System (6.2.9200.16384)	8704	C:\Windows\Fonts\
videoprt.sys	Video Port Driver	Microsoft® Windows® Operating System (10.0.15063.0)	39936	C:\Windows\System32\Sysprep\Panther\
miniqic.sys	SCSI Tape Driver	Microsoft® Windows® Operating System (6.1.7600.16385)	9728	C:\Windows\Fonts\

Other Files Related to NTDOS404.SYS

File Name	Description	Software Program (Version)	File Size (bytes)	File Location
OneX_v1.xsd	XML Schema Definition	Windows 7	5957	C:\Windows\L2Schemas\
OneX_v1.xsd	XML Schema Definition	Windows Vista	5957	C:\Windows\L2Schemas\
OneX_v1.xsd	XML Schema Definition	Windows 10	5957	C:\Windows\L2Schemas\
WLAN_profile_v1.xsd	XML Schema Definition	Windows 8	15591	C:\Windows\L2Schemas\
WLAN_policy_v1.xsd	XML Schema Definition	Windows 8	7627	C:\Windows\L2Schemas\

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