NIS works ok but there are some problems.
Problem happens often, and no workarounds listed on Symantec support site.
Seriously considering ditching NIS for competitive products. I bought it a big error on my part. I have 3 PC's and tested on all 3 crash crash crash. After numerous frustrating weeks we've uninstalled the product and asked for a refund. Depending on security levels set by user, literally 100's of attempts to leave cookies, etc were stopped outside my computer.