Provides the core file encryption technology used to store encrypted files on NTFS file system volumes. If this service is stopped or disabled, applications will be unable to access encrypted files.
|Windows 7 edition||without SP||SP1|
|Display name:||Encrypting File System (EFS)|
The Encrypting File System (EFS) service runs as LocalSystem in a shared process. It shares an executable file with other services. If the Encrypting File System (EFS) fails to load or initialize, the error is recorded into the Event Log. Windows 7 startup should proceed, but a message box is displayed informing you that the EFS service has failed to start.
Encrypting File System (EFS) will not start, if the Remote Procedure Call (RPC) service is stopped or disabled.
1. Select your Windows 7 edition and Service Pack, and then click on the Download button below.
2. Save the RestoreEncryptingFileSystemEFSWindows7.bat file to any folder on your hard drive.
3. Right-click the downloaded batch file and select Run as administrator.
4. Restart the computer to save changes.
Note. Make sure that the
lsass.exe file exists in the
%WinDir%\System32 folder. If this file is missing you can try to restore it from your Windows 7 installation media.