trojan virus

So i have tried everything i know and cannot get my pc to factory reset to try and get rid of this virus. Everytime I reset it goes back to the orginial state and anything i have uninstalled or removed comes back. I cannot download any .exe files or open my task manager. How could i completely...

Just did a fresh install of Windows 8.1 on my pc and installed the realtek audio driver for the ASUS Maximus Hero Vii motherboard and now I get a notification from Norton that a Trojan horse virus has been blocked every time I boot up. I know it's a false positive, but it's still annoying. Any...