Udfs - Windows 7 Service
Reads/Writes UDF 1.02,1.5,2.0x,2.5 disc formats, usually found on C/DVD discs. (Core) (All pieces).
This service also exists in Windows 10, 11, 8, Vista and XP.
Startup Type
| Windows 7 edition | without SP | SP1 |
|---|---|---|
| Starter | Disabled | Disabled |
| Home Basic | Disabled | Disabled |
| Home Premium | Disabled | Disabled |
| Professional | Disabled | Disabled |
| Ultimate | Disabled | Disabled |
| Enterprise | Disabled | Disabled |
Default Properties
| Display name: | Udfs |
| Service name: | udfs |
| Type: | filesys |
| Path: | %WinDir%\system32\DRIVERS\udfs.sys |
| Error control: | normal |
| Group: | Boot File System |
Default Behavior
The Udfs service is a file system driver. If the Udfs 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 udfs service has failed to start.
Restore Default Startup Type of Udfs
Automated Restore
1. Select your Windows 7 edition and Service Pack, and then click on the Download button below.
2. Save the RestoreUdfsWindows7.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 udfs.sys file exists in the %WinDir%\system32\DRIVERS folder. If this file is missing you can try to restore it from your Windows 7 installation media.