http://security.symantec.com/sscv6/home.asp?langid=ie&venid=sym&plfid=21&pkj=CUCYORVWHFHMFNZMBBX
if you run this tool, remember to turn off the VPN tunnel if you are using one.
01. I would Recommend using Online Scan at least once-a-month because an Threats may Modifiy you installed Scanners of the Norton Product, so that, when Virus Definitions are Released, the Threat may be Missed, but will be Detected by the symantec Security Check.
02. See Answer to Question 01.
03. This should be interfer with Norton Products installed on the computer.