How to Repair sfc_os.dll? Download Now

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

sfc_os.dll file Windows File Protection. 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 sfc_os.dll related errors on your device. You can also download sfc_os.dll file compatible with Windows 10, Windows 8.1, Windows 8, Windows 7, Windows 7, Windows Vista, 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 7, Windows Vista, 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 sfc_os.dll

4.1 List of sfc_os.dll file versions

File info

General information
Filename	sfc_os.dll
File extension	DLL
Description	Windows File Protection

Software
Program	Microsoft® Windows® Operating System
Author	Microsoft Corporation

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

Most common sfc_os.dll file related problems

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

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

sfc_os.dll

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

Problems related to sfc_os.dll 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 sfc_os.dll 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 sfc_os.dll errors in just few steps?

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

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

The last solution is to manually download and replace sfc_os.dll 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 sfc_os.dll file.

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

Windows 10: C:\Windows\System32\
Windows 8.1: C:\Windows\System32\
Windows 8: 1: C:\Windows\System32\
Windows 7: C:\Windows\SysWOW64\
Windows 7: C:\Windows\SysWOW64\
Windows Vista: ---
Windows Vista: ---
Windows XP: ---

If the steps did not solve your sfc_os.dll 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 sfc_os.dll

System Windows 10

File size 45056 bytes

Date 2017-03-18

Download

File details
	MD5	18ee6c99d6d04a4a8d1e55d9b5d79765
	SHA1	5c273b9aeb884f2c10d72a198692a6c83df95d18
	SHA256	bfae18a55c9b0118f9ad32992fb9e5389f0d0e05b347a5dac662fdec96a749d2
	CRC32	ec3269c9
	Example file location	C:\Windows\System32\

Filename sfc_os.dll

System Windows 8.1

File size 42496 bytes

Date 2014-11-21

Download

File details
	MD5	48994408b15cd74ae1a4e7cfa1a1762e
	SHA1	35e40dce72ad2103f55a4442142963447a61bbd2
	SHA256	a4c5e8cc506843b61695e4a0dcd843ec1d8b6c824621528ee033ed2e67c44307
	CRC32	90f5c97b
	Example file location	C:\Windows\System32\

Filename sfc_os.dll

System Windows 8

File size 41984 bytes

Date 2012-07-26

Download

File details
	MD5	0313a5dfa5966e31220c26a6167fd479
	SHA1	bbbb563ead77f72696a5e6d46a7c6696f8c90f79
	SHA256	3b5adb421ceea9aefbca49dc47059eb9c15530323a4fbccd246488866503006e
	CRC32	a7572786
	Example file location	1: C:\Windows\System32\

Filename sfc_os.dll

System Windows 7

File size 40960 bytes

Date -0001-11-30

Download

File details
	MD5	84799328d87b3091a3bdd251e1ad31f9
	SHA1	64dbbe8210049f4d762de22525a7fe4313bf99d0
	SHA256	f85521215924388830dbb13580688db70b46af4c7d82d549d09086438f8d237b
	CRC32	56c0d90c
	Example file location	C:\Windows\SysWOW64\

Filename sfc_os.dll

System Windows 7

File size 45056 bytes

Date 2009-07-14

Download

File details
	MD5	895c9ab0a855547445c4181195230757
	SHA1	f62294c9f05eff73c35986d5f513803476158b82
	SHA256	89bda385d8ccb75c3d7b1bdfa567ac441a931f4e499c0835fee9d010343fabb6
	CRC32	547bece8
	Example file location	C:\Windows\SysWOW64\

Filename sfc_os.dll

System Windows Vista

File size 38912 bytes

Date -0001-11-30

Download

File details
	MD5	12bcf4dad8e5a1b3d5fa7ab4a79da105
	SHA1	b4b34f5ef91cf10f08e30b6922c500c34b0faa79
	SHA256	613f0d184e08cbe1ffeeb8f845adca79577fb3cf59ea1fee6b2346d9930763ab
	CRC32	8bd645a7
	Example file location	---

Filename sfc_os.dll

System Windows Vista

File size 39424 bytes

Date 2008-01-21

Download

File details
	MD5	376d1b585060cd65beefe15a8577fca0
	SHA1	ed8f903ab358721cd7c19db9dd4c4944f88a4521
	SHA256	ab3a8358135b1a64f84ba27553aba6974ed2ef03dfc3984eb334442a4ddce016
	CRC32	0fb99dca
	Example file location	---

Filename sfc_os.dll

System Windows XP

File size 140288 bytes

Date 2008-04-14

Download

File details
	MD5	6b5db6789177a4fd0debc248041d0739
	SHA1	7e12051c5faa2abf0107a606b43a9a2528393224
	SHA256	3e3239c3613ccbb9ee2539d78bc745ed19134e1d3bed88c3d5273796fa2507da
	CRC32	4a97d819
	Example file location	---