Registry Home > Windows > Startup and Shutdown

Disable the Creation of Last Known Good (Windows NT/2000/XP)

This setting allows you to disable the creation of the LastKnownGood configuration, which stores a copy of the configuration after each successful boot-up.

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 "ReportBootOk" and set it according to the value data below.

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

Registry Editor Example
|NameTypeData|
|(Default)REG_SZ(value not set)|
|ReportBootOkREG_SZ"0"|
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|HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVers...|
-
Registry Settings
System Key: [HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon]
Value Name: ReportBootOk
Data Type: REG_SZ (String Value)
Value Data: (0 = disabled, 1 = enabled)

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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: March 20, 2002