What is sfc_os.dll?

sfc_os.dll is part of Microsoft® Windows® Operating System and developed by Microsoft Corporation according to the sfc_os.dll version information.

sfc_os.dll's description is "Windows File Protection"

sfc_os.dll is usually located in the 'C:\WINDOWS\system32\' folder.

Some of the anti-virus scanners at VirusTotal detected sfc_os.dll.

If you have additional information about the file, please share it with the FreeFixer users by posting a comment at the bottom of this page.

VirusTotal report

2 of the 51 anti-virus programs at VirusTotal detected the sfc_os.dll file. That's a 4% detection rate.

Scanner	Detection Name
Fortinet	Riskware/PatchedSFC
Sophos	Disabled System File Check DLL

sfc_os.dll removal instructions

The instructions below shows how to remove sfc_os.dll with help from the FreeFixer removal tool. Basically, you install FreeFixer, scan your computer, check the sfc_os.dll file for removal, restart your computer and scan it again to verify that sfc_os.dll has been successfully removed. Here are the removal instructions in more detail:

1. Download and install FreeFixer: http://www.freefixer.com/download.html
2. Start FreeFixer and press the Start Scan button. The scan will finish in approximately five minutes.

   
3. When the scan is finished, locate sfc_os.dll in the scan result and tick the checkbox next to the sfc_os.dll file. Do not check any other file for removal unless you are 100% sure you want to delete it. Tip: Press CTRL-F to open up FreeFixer's search dialog to quickly locate sfc_os.dll in the scan result.

   

   

   C:\WINDOWS\system32\sfc_os.dll

   
4. Scroll down to the bottom of the scan result and press the Fix button. FreeFixer will now delete the sfc_os.dll file.

   
5. Restart your computer.
6. Start FreeFixer and scan your computer again. If sfc_os.dll still remains in the scan result, proceed with the next step. If sfc_os.dll is gone from the scan result you're done.
7. If sfc_os.dll still remains in the scan result, check its checkbox again in the scan result and click Fix.
8. Restart your computer.
9. Start FreeFixer and scan your computer again. Verify that sfc_os.dll no longer appear in the scan result.

Folder name variants

sfc_os.dll may also be located in other folders than C:\WINDOWS\system32\. The most common variants are listed below:

• C:\WINDOWS.0\system32\
• D:\WINDOWS\system32\
• C:\WINDOWS.1\System32\
• F:\WINDOWS\system32\

What did other users do?

The poll result listed below shows what users chose to do with sfc_os.dll. 22% have voted for removal. Based on votes from 18 users.

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