virtualbox.org

Hi guys, I'm quite new on Virtual Box environment. Is already some days that I'm trying to install VBOX on my laptop PC and everytime the installation fails prematurely, after some time installation roll back and fails.

Here are some info about my PC:
- Windows 7 Pro 64 bits SP1
- RAM 4 GB
- Virtual Box installation VirtualBox-4.3.16-95972-Win
- Antivirus: Symantec Endpoint Protection version 11.0.6005.562
- Network adapter LAN: Intel Eth Connection I218-LM
- WiFi adapter: Intel Dual Band Wireless AC7260

I'm attaching also the log form the installation procedure.
Could someone please help me
Regards
coa76