Microsoft has a couple of specific websites for protecting your PC.
Visit them here:
www.microsoft.com/protect
www.microsoft.com/security
The URL for the windows update site is:
http://windowsupdate.microsoft.com (no WWW)
Ron is 100% on, Microsoft does not e-mail updates.
You change the
oil in your car and perform routine maintenance, you should do routine maintenance on your PC. Simple to do.
Regards,
Bill