Update driver video card http://Nvidia.com if have Geforce video card
Update punkbuster http://answers.ea.com/t5/Battlefield-3/kick-by-punkbuster/m-p/375606#U375606
Disable Antivirus and Firewall
Update DirectX
Try Internet Explorer 9 or Firefox http://Firefox.com browser and download and install new version Java java.com http://java.com and flash player http://get2.adobe.com/en/flashplayer/ in adobe.com and delete plugin in Programs delete Programs in control panel and reinstall plugin
You can update Bf3 in Origin open my games click mouse 2 button in Bf3 and check updates or repair game.
For Battlefield 3 need Windows 7 or Windows 8
live chat support Contact Us https://help.ea.com/en/battlefield/battlefield-3
