http.sys - Repair Issues and Download

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

http.sys file HTTP Protocol Stack. 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 http.sys related errors on your device. You can also download http.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 http.sys

4.1 List of http.sys file versions

File info

General information
Filename	http.sys
File extension	SYS
Description	HTTP Protocol Stack

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 http.sys file related problems

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

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

http.sys

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

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

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

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

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

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

System Windows 10

File size 755104 bytes

Date 2017-03-18

Download

File details
	MD5	5b021c7e506eb0d6722559941e03a18b
	SHA1	b92462d811effd4a985ef34c979886051c4d86ac
	SHA256	5ee06ac733d0e026b95c0389afe72b0f489bee4af00a79457c3c16c7e70311bb
	CRC32	1c672316
	Example file location	C:\Windows\System32\drivers\

Filename http.sys

System Windows 8.1

File size 735576 bytes

Date 2014-11-21

Download

File details
	MD5	4196bbf0725ef4e4f220d5e1539ef553
	SHA1	7aa870212d09cd6dd8e3a5f771765b5ff0d67464
	SHA256	ee78e340c8de4256567a5d0589ce5b3c182ee80a7d6f663cb971651391ba3f92
	CRC32	22291f27
	Example file location	C:\Windows\System32\drivers\

Filename http.sys

System Windows 8

File size 640000 bytes

Date 2012-07-26

Download

File details
	MD5	a4d4f99bb5b32d967651e77288384678
	SHA1	3c0ff5cd5da47bbaa36e5a191d8bd28e8fa7efca
	SHA256	4942f67a52a5dd7f1d2bc94dffd2f85c2b47924b5f37260e58b809fab5e3697e
	CRC32	8c3d0c28
	Example file location	1: C:\Windows\System32\drivers\

Filename http.sys

System Windows 7

File size 753664 bytes

Date 2010-11-21

Download

File details
	MD5	0ea7de1acb728dd5a369fd742d6eee28
	SHA1	71650b21e3642d35aff665d29313c0e576214947
	SHA256	21c489412eb33a12b22290eb701c19ba57006e8702e76f730954f0784dde9779
	CRC32	453fa11c
	Example file location	C:\Windows\System32\drivers\

Filename http.sys

System Windows Vista

File size 606720 bytes

Date 2009-04-11

Download

File details
	MD5	5e16d9cca86ce0e117ff1856c6649b33
	SHA1	a29dc16a1b18d30925bb0279bc234936ad5bb950
	SHA256	43b4404b022807f20a622f256149bcb256f36f9e8fc4e0e6362e11ca08743b3e
	CRC32	c7967150
	Example file location	C:\Windows\System32\drivers\

Filename http.sys

System Windows XP

File size 264832 bytes

Date 2008-04-14

Download

File details
	MD5	f6aacf5bce2893e0c1754afeb672e5c9
	SHA1	f9add072f87bcecdce14a1105f9a315448d7e310
	SHA256	62a7a70515b5570a649dc30a3a122b1302f6839a63927c8b29ebe04aba654892
	CRC32	2c527f64
	Example file location	---