Lock your Desktop Press the Windows key and the L key (WinKey+L) at the same time. Additionally, you can create a new shortcut, with the following command line: rundll32.exe user32.dll,LockWorkStation Copy the new shortcut to your Quick Launch bar and you have one click access to locking the desktop. Notes: If you are using the Welcome screen and Fast User Switching is enabled, other users will still have access to you computer, by selecting their Username and entering their password. Additionally, if you don't have a password on your account, then all that is required is to click on your Username on the Welcome screen.
To Disable CD autoplay, completely, in Windows XP Pro 1) Click Start, Run and enter GPEDIT.MSC 2) Go to Computer Configuration, Administrative Templates, System. 3) Locate the entry for Turn autoplay off and modify it as you desire.