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You must be a member of the Administrators group on this computer to open User Accounts. You may receive the following dialog box: Click Start, click Run, type Control Userpasswords2, and then press ENTER.Click to select the Use the Welcome screen check box if you want to disable the CTRL+ALT+DELETE sequence.Click Change the way users log on or off.Click Start, click Control Panel, and then double-click User Accounts.Log on to the computer as an administrator.Thus you are protecting yourself from a application (a bad application, could be spyware or a virus) from learning your machine password. Using this is far more secure than the traditional XP login screen due to the fact that no program can intercept CTRL+ALT+DELETE. So, the question is, what we have to do to have no reaction if the user press CTRL-ALT DEL and a special Key in Registry is set?This is a quick tip to enable the CTRL+ALT+DELETE login screen in Windows XP – Vista – 7. To block this we use at XP our own GINA.DLL and filtering CTRL-ALT DEL and doing nothing if our SystemManger set a special Key in Registry. The only hole we have is: If you press CTRL-ALT DEL on a running system the logon screen appears and you can do many things, even start Explore.exe via TaskManager. This required a logon in our security system. At our system also user with no permission is allowed to see and handling all in the visualization, but not allowed to manipulation anything or input anything. This is working very well and you see the PC is save for unauthorized user. We programming an own SytemManager to do all the starting, hide Desktop, hide Taskbar and so on. We do this to conform to ISO 9002 to set the PC in working condition if power switch on or after a black out. Thanks Good! This is also working in Windows 7. HKEY_LOCAL_MACHINE\Software\Microsoft\Windows NT\CurrentVersion\WinLogon What you describe is: You have not to press CTRL-ALT-DEL to see the input screen for username and password if the computer starts.īut we use the auto logon by placing the username and password in Thanks for the answer, but it is not what I mean.
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