What is "Protected Storage" in my Windows XP service list? And how is "Protected Storage" service related to psbase.dll?

"Protected Storage" is a Windows XP service that "Provides protected storage for sensitive data, such as passwords, to prevent access by unauthorized services, processes, or users." "Protected Storage" service is provided by psbase.dll DLL file.

Detailed information on "Protected Storage" service:

Service name: ProtectedStorage
Display name: Protected Storage
Execution command: C:\Windows\system32\lsass.exe
Start type: Manual
Service status: Started
Dependencies:
   Remote Procedure Call (RPC)

"Protected Storage" service is provided by a DLL file called: psbase.dll:

Name: psbase.dll
Location: C:\Windows\System32\psbase.dll
Description: Protected Storage default provider
File version: 6.1.7600.16385
Size: 49.5 KB (50,688 bytes)
Modified: Monday, July 13, 2009, ?9:16:12 PM

Disabling "Protected Storage" service may cause issues when running Windows XP system.

⇒"lsass.exe" Services on Windows XP

⇒⇒Windows XP Services Tutorials