CD/DVD File System Reader (cdfs) Service Defaults in Windows 10

ISO9660/Joliet File System Reader for CD/DVDs. (Core) (All pieces).

Default Settings

Startup type: Disabled
Display name:CD/DVD File System Reader
Service name:cdfs
Service type:filesys
Error control:normal
Group:Boot File System
Registry key:HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\cdfs

Default Behavior

CD/DVD File System Reader is a file system driver. In Windows 10 it is disabled. If CD/DVD File System Reader fails to start, the failure details are being recorded into Event Log. Then Windows 10 will start up and notify the user that the cdfs service has failed to start due to the error.

Restore Default Startup Configuration of CD/DVD File System Reader

1. Run the Command Prompt as an administrator.

2. Copy the commands below, paste them into the command window and press ENTER:

sc stop cdfs
sc config cdfs start= disabled

3. Close the command window and restart the computer.

The cdfs service is using the cdfs.sys file that is located in the C:\Windows\system32\DRIVERS directory. If the file is removed or corrupted, read this article to restore its original version from Windows 10 installation media.