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Change the Screen Saver Grace Period (Windows NT/2000/XP)

This setting determines when password protection of a screen saver becomes effective. By default, a brief period elapses within which the user can use the mouse or the keyboard to stop the screen saver without entering the password.

This tweak can be easily applied using WinGuides Tweak Manager.
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Open your registry and find or create the key below.

Create a new string value, or modify the existing value, called "ScreenSaverGracePeriod" and set it according to the value data below. On some versions of Windows this may be a DWORD value, if REG_SZ does not work correctly retry with DWORD.

Exit your registry, you may need to restart or log out of Windows for the change to take effect.

Registry Editor Example
|(Default)REG_SZ(value not set)|
|HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVers...|
Registry Settings
System Key: [HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon]
Value Name: ScreenSaverGracePeriod
Data Type: REG_SZ (String Value)
Value Data: 0 - 2,147,483 seconds (approximately 24 days)

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Disclaimer: Modifying the registry can cause serious problems that may require you to reinstall your operating system. We cannot guarantee that problems resulting from modifications to the registry can be solved. Use the information provided at your own risk.

Last modified: February 18, 2003