ndproxy.sys - Repair Issues and Download

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

ndproxy.sys file NDIS Proxy. 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 ndproxy.sys related errors on your device. You can also download ndproxy.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 ndproxy.sys

4.1 List of ndproxy.sys file versions

File info

General information
Filename	ndproxy.sys
File extension	SYS
Description	NDIS Proxy

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 ndproxy.sys file related problems

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

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

ndproxy.sys

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

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

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

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

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

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

System Windows 10

File size 48640 bytes

Date 2017-03-18

Download

File details
	MD5	3b67d53e41e98436f32cfa5b441395bd
	SHA1	85137b0c20041e7980214aade8e63892a6f50ed8
	SHA256	caf28ee36c3d69f14ca0770f59f63fe2ec2da3764165a3a53a3ac387bcf1f7e8
	CRC32	880e8683
	Example file location	C:\Windows\System32\drivers\

Filename ndproxy.sys

System Windows 8.1

File size 51200 bytes

Date 2013-08-22

Download

File details
	MD5	9f76b41778f62a7e582ada902e8d149e
	SHA1	48477c239d7d8285ee31b144ed14c133f51a1eb9
	SHA256	140a62aca0b198a23a4236ae28cd4e32d5378f4d21cbe55fd05684eee91c1b4e
	CRC32	92db7ff4
	Example file location	C:\Windows\System32\drivers\

Filename ndproxy.sys

System Windows 8

File size 48640 bytes

Date 2012-07-26

Download

File details
	MD5	9c05d1f7d2ed34d5f3653386b33637fa
	SHA1	02f58f798e8a6eee0eabdc333fd8f27267c41040
	SHA256	c40218034693731b326b32b6850472533635a8c9b2b63db9048ee06521787dbe
	CRC32	36e3bf06
	Example file location	1: C:\Windows\System32\drivers\

Filename ndproxy.sys

System Windows 7

File size 57856 bytes

Date 2010-11-21

Download

File details
	MD5	015c0d8e0e0421b4cfd48cffe2825879
	SHA1	9f430f54b82e51e66ed34c858c67cb16687227d4
	SHA256	4242e2d42ccfc859b2c0275c5331798bc0bda68e51cf4650b6e64b1332071023
	CRC32	de010e19
	Example file location	C:\Windows\System32\drivers\

Filename ndproxy.sys

System Windows Vista

File size 59904 bytes

Date 2008-01-21

Download

File details
	MD5	9cb77ed7cb72850253e973a2d6afdf49
	SHA1	6eb56aac07be9bc24878b3878fe1790719e41893
	SHA256	c3c15b317a7f7ae68b7bc62343962c47f075240f252727811db4bee443f9103f
	CRC32	35a69454
	Example file location	C:\Windows\System32\drivers\

Filename ndproxy.sys

System Windows XP

File size 40576 bytes

Date 2008-04-14

Download

File details
	MD5	6215023940cfd3702b46abc304e1d45a
	SHA1	bae5f212cb9cde1845643e8b5a4adaa8acabed4d
	SHA256	c767f3a349b365f6e7566c0738e2f62d8fff8cb4457347e3614bd403bc6cadcb
	CRC32	094f449e
	Example file location	---