Will I lose my subcription to Norton if I uninstall it?

YES YOU WILL LOST UR SUBSCRIPTION!!!!!!!!!!

Check out the Terms of Service. https://onlinefamily.norton.com/familysafety/termsconditions.jsp

Or hook up with support and ask what you should do. Here: http://www.symantec.com/business/support/support_policies.jsp.

keep the key or product number handy to install again

No. But you will lose the days that norton isn’t installed.

Norton is notorious for slowing down computers.

@davidbetterman This seems to be the word on the street.

@davidbetterman that was true 5 years ago but 2010 version is a very light program. It installs in seconds without a restart and even during a full scan will use no more than about 5% of a single core.