Login Screen Use one of the following ways to access Deep Freeze on a computer. 1. If the Deep Freeze icon is shown in the System Tray, hold down the SHIFT key and double-click the Deep Freeze icon. If the Deep Freeze is running in Stealth Mode and if the Deep Freeze icon is not displayed, the keyboard shortcut CTRL+ALT+SHIFT+F6 must be used to access the logon dialog. 2. Enter the administrator password and click OK to log on to Deep Freeze. As an additional security feature, Deep Freeze prevents Brute Force attacks by automatically restarting the computer after 10 unsuccessful login attempts.