When the user is presented with a dialog box requesting User Profile information, this specifies the amount of time in seconds before the dialog box is closed and the default is accepted. The default value is 30 seconds.
Key: [HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon]
Value Name: ProfileDlgTimeOut
Data Type: REG_DWORD
Data: 1 to 600 (seconds)