Trojan.gen infected windows 7 64-bit

Recently Norton auto-protect informed me that it was processing a trojan.gen risk and then said it was resolved.

After rebooting my computer (I have dual-boot windows 7 and Ubuntu) and selecting the windows os all it does is load the drivers  and bluescreens for about a second and shuts down.
 I don't know if this problem is to do with the trojan.gen or another problem or conflicting issues but I need some help.

 

system specs: HP pavilion dm4-3114TX limited edition

CPU: quadcore intel i5-3210m cpu @ 2.50 ghz

GRAPHICS: discrete: intel hd 4000 other: radeon hd 7570m

RAM: 8gb