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#1
tianxi,
Not the answer you are looking for, but here is what I would do:
1. Uninstall Norton
2. Install MSE which is the only security software that I use, recommend, install.
Link to uninstall Norton: https://us.norton.com/support/kb/web...834EN&ln=en_US
Link to install MSE, Microsoft Security Essentials: In my signature.