Right click properties on it and look at the details.
Bob
I find a problem called cddlpr.dll, I searched internet but can't find any information about it. it's located in system32, when I can't delete it, I use unlocker.exe to unlock it, it show bundled with winlogin, anyone know what's it?

Chowhound
Comic Vine
GameFAQs
GameSpot
Giant Bomb
TechRepublic