Windows XP registry hives are the main sections of the Windows registry that store configuration settings and options for the operating system and installed applications. Key hives include HKEY_LOCAL_MACHINE (system-wide settings), HKEY_CURRENT_USER (user-specific settings), HKEY_CLASSES_ROOT (file associations and COM object registrations), and HKEY_USERS (all user profiles). These hives are stored in files on the disk and are loaded into memory during system startup, allowing the operating system to access necessary configuration information.
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download registry cleaner to clean up registry erros from your windows xp.
Start > Run > Registry Editor > Windows XP
Five files stored in the C:\Windows\System32\config folder; these files are called hives and they are named the SAM (Security Accounts Manager), Security, Software, System, and Default hives.
Regedit.exe Windows XP has only a Single registry editor (Regedit.exe) Windows 2000 ahs two registry editor Regedit32.exe Regedit.exe
Files called "hives".
Windows NT/2000 Regedit.exe and Regedt32.exe have two different functions. Windows XP has only one single registry editor.
A registry cleaner for Microsoft Windows XP costs $39.95. Designed to operate on the Microsoft Windows XP Operating System, a registry cleaner has been widely debated by experts, who claim it is unnecessary and useless.
Hkey_dyn_data
regedit
Regedit.exe
It is a good reason to clean the Windows XP registry because it would get rid of viruses that are on your desktops. It is a important step to keeping your PC clean.