I can't log out, restart, turn off my Windows XP machine? ? When you try to log out, restart, turn off an XP system you will see the interface flashes and disappear, please check if Symantec Norton AntiVirus 2003 is installed on your computer. If Norton AntiVirus 2003 is installed, its CCAPP.exe component causes the problem you describe. To solve this problem, use the Symantec LiveUpdatel feature to update the Symantec universal client program. Press and hold this program to solve this problem. • As a program in the Working Group to resolve the XP Professional or XP Home Edition, please follow these steps:
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Click Start and select "Logout"
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Click "Switching User"? Click Shutless? Click Shutdown or Restart? Warning You have other users have logged to this computer and ask if you continue prompt, click Yes