The Windows registry is a hierarchical “database” that stores information about the operating system and applications on the local computer. The registry is organized in a tree format and can be viewed by using the registry editor program, regedit.exe.
Folders seen in the regedit utility represent keys. These folders are displayed in the left side or Navigation area in the registry editor window. There are five folders, or predefined keys:
• HKEY_CURRENT USER (HKCU): Contains the root of configuration information for the currently logged-on user. This information is referred to as a user’s profile.
• HKEY_USERS (HKU): ...