Hi daijitaru,
Try to upload the update to virustotal.com and see what flags it there. This could be a good indication to see if there is a FP or not. On the other hand their website seems to be infected from a suspicious inline script outside of HTML:
v*r popUpWin=0;
id=document.loc*tion.href;
function popUpWindow(URLStr, left, top, width, height)
{... }.........[*=a - broken by me - pol]
Report this there, please, and replace URL with wxw.razersupport.com please,
polonus