sfc_os.dll
If that doesn't work, you will have to copy sfc_os.dll to your system directory. By default, this is: Windows 95/98/Me - C:\Windows\System Windows NT/2000 - C:\WINNT\System32 Windows XP, Vista, 7, 10 - C:\Windows\System32 If you use a 64-bit version of Windows, you should also copy sfc_os.dll to C:\Windows\SysWOW64\ Make a backup copy of the original files Overwrite any existing files Reboot your computer. If the problem still occurs, try the following: Open Windows Start menu and select "Run...". Type CMD and press Enter (or if you use Windows ME, type COMMAND) Type regsvr32 sfc_os.dll and press Enter. If you can't find windows directory try the following: Open Windows Start menu and select "Run...". Type CMD and press Enter (or if you use Windows ME, type COMMAND) Type %WINDIR% and press Enter. Other versions of this file:
sfc: |