batcmd.com Windows Vista Services

Security Processor Loader Driver - Windows Vista Service

This service also exists in Windows 7.

Startup Type

Windows Vista edition without SP SP1 SP2
Starter Boot Boot Boot
Home Basic Boot Boot Boot
Home Premium Boot Boot Boot
Business Boot Boot Boot
Ultimate Boot Boot Boot

Default Properties

Display name:Security Processor Loader Driver
Service name:spldr
Type:kernel
Error control:critical

Default Behavior

Security Processor Loader Driver is a kernel mode driver. If Security Processor Loader Driver fails to load or initialize, the error is logged and the computer attempts to restart with the LastKnownGood configuration. If the LastKnownGood configuration fails, Windows Vista startup also fails, and the boot process halts with a Stop error. If you disable this service, Windows Vista will fail to start. Do NOT change this service startup configuration if your computer is working.

Restore Default Startup Type for Security Processor Loader Driver

Automated Restore

1. Select your Windows Vista edition and Service Pack, and then click on the Download button below.

2. Save the RestoreSecurityProcessorLoaderDriverWindowsVista.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.