It doesn't uninstall properly. It's not very irritating, but if
you want to change AV softwares, you will run into problems,
especially with those AV softwares that detect if another AV is
installed.
Some of them are Kaspersky, McAfee, NOD32 and F-Secure. A lot of
users run into either BSOD or some other problems during
installation due to incomplete installation of NAV.
Other than that, NAV is good, for newbies. Their detection rate is
good, catches on the wild viruses pretty well, simple enough
interface for newbies who want to protect their PC.
