That's no way to get on with a brand new machine, or even an ancient one for that matter. Let's see what we can do.
Since this machine will only give you headaches, please simply just donate it to charity or MasterChief.
lol just kidding of course.
If that doesn't fix it, uninstall Norton/Symantec normally, then use the removal tool as well that they have on offer.
0: kd> lmvm networx
start end module name
fffff800`01d2b000 fffff800`01d3d000 networx (deferred)
Image path: \SystemRoot\system32\drivers\networx.sys
Image name: networx.sys
Timestamp: Tue Nov 19 12:06:31 2013 (528B9A97)
Translations: 0000.04b0 0000.04e4 0409.04b0 0409.04e4
Set Windows Firewall and Windows Defender to Automatic and start them too, using services.msc.
Update video card driver from AMD. It didn't cause anything. Just good practice.