How to Fix Auto-Protect in Norton System Works
While Symantec's Norton System Works offers exceptional protection against viruses, spyware and a multitude of other malicious code that could negatively affect your computer, the software doesn't come without a few small problems. A common problem you may experience is the system error that disables the much-needed Norton Auto-Protect and keeps you from re-enabling it. According to Symantec, this malfunction can occur for any number of reasons and there is only one real solution to fixing it.
Open your "Start" menu from the computer's desktop.
Select "Control Panel."
Open the "User Accounts" icon by double-clicking it.
Navigate through the options to "Manage changes to your user account" and select "Turn User Account Control on or off."
Disable "UAC Protection" by unchecking the box next to it.
Continue by selecting "OK."
Restart your computer.
Visit Symantec's Auto-Protect Error Fix Tool page (see Resources). Click "Run It Now" under "Step 2" to download and run the Auto-Fix Tool.
Restart your computer once more to resolve the Norton Auto-Protect problem.