Introduction about Windows Registry

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Registry is collection from Windows data that worn to regulate the way of Windows Operating System. The Windows registry also a directory which stores settings & options for the OS (Operating System) of Microsoft Windows 32-bit versions, 64-bit versions & Windows Mobile. It contains information & settings for all the hardware, OS software, most non-operating system software, users, preferences of the PC, etc. Whenever a user makes changes to Control Panel settings, file associations, system policies/most installed software, the changes are reflected & stored in the registry. The registry also provides a window into the operation of the kernel, exposing runtime information such as performance counters and currently active hardware.
This use of registry mechanism is conceptually similar to the way that Sysfs & procfs expose runtime information through the file system (traditionally viewed as a place for permanent storage), though the information made available by each of them differs tremendously. The Windows registry was introduced to tidy up the profusion of per-program INI files that had previously been used to store configuration settings for Windows programs. These files tended to be scattered all over the system, which made them difficult to track. To display Window registry that is start>run. . >regedit>enter. Will be seen 6 root keys that has different task every key. 
Short explanation to 6 root keys :

1. hkey_classes_root handles all file kinds exist in Windows keep to setting software.
2. hkey_current_user handles 1 active user information in windows operating system.
3. hkey_local_machine holds information about hardware that worn in computer.
4. hkey_user handles all active user informations with handles to setting control panel in Windows operating system.
5. hkey_current_config to register existing system configuration.
That way manipulation quantity that can be made at registry this, here be showed several easy manipulations will be made.

The examples to applicate registry windows :
1. Lose of tab remote administration
key" hkey_current_user\software\microsoft\windows\currentversion\policies\system"
value" noadminpage"
data type" dword"

2. Lose of tab user profile
key" hkey_current_user\software\microsoft\windows\currentversion\policies\system"
value" noprofilepage"
data type" dword"

3. Lose of tab change password
key" hkey_current_user\software\microsoft\windows\currentversion\policies\system"
value" nopwdpage"
data type" dword"

4. Deactive add printer
key" hkey_current_user\software\microsoft\windows\currentversion\policies\explorer"
value" noaddprinter"
data type" dword"

5. Deactive delete printer
key" hkey_current_user\software\microsoft\windows\currentversion\policies\explorer"
value" nodeleteprinter"
data type" reg_dword"

6. Deactive tab general and detail printer
key" hkey_current_user\software\microsoft\windows\currentversion\policies\explorer"
value" noprintertabs"
data type" dword"

7. Hide tab hardware profile
key" hkey_current_user\software\microsoft\windows\currentversion\policies\system"
value" noconfigpage"
data type" dword"
8. Hide tab device manager
key" hkey_current_user\software\microsoft\windows\currentversion\policies\system"
value" nodevmgrpage"
data type" dword"
9. Hide button file system
key" hkey_current_user\software\microsoft\windows\currentversion\policies\system"
value" nofilesyspage. "
data type" dword"

10. Hide button virtual memory
key" hkey_current_user\software\microsoft\windows\currentversion\policies\system"
value" novirtmempage"
data type" reg_dword"

11. Disable CD Burning (Windows XP)
key" hkey_current_user\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer”
value"NoCDBurning”
data type" REG_DWORD (DWORD Value)”
Value Data: (0 = Allow CDR, 1 = Disable CDR)

12. Change Drive Name and Icon (All Windows) (For example drive with name M y Drive)
key" HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Explorer\Drive
\Icons\D”
DefaultIcon (Default) = c:\icons\myicons.dll,4
DefaultLabel (Default) = My Drive

13. Change the Title of Windows Media Player (All Windows)
key" hkey_current_user\Software\Policies\Microsoft\WindowsMediaPlayer”
value" TitleBar”
data type" REG_SZ (String Value)”
NB :
You may need to restart Windows for the change to take effect, or press F5 to refresh My Computer.

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